Sheldon, Penny, Leonard, Raj, Howard. If you often hear those names from someone you love, then they are a huge Big Bang Theory Geek. Want to make them happy? Get them something from this list of Big Bang Theory gift ideas for Christmas or their birthday

Bazinga Shirt

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Bazinga! This expression was popularized by Sheldon Cooper, the nerd lord of the show. You can get this shirt for someone who loves the show, especially Sheldon. This is a very comfortable shirt that comes in different colors. Very true to size and super cool.

Big Bang Theory Trivia Game

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This could be the ultimate present for a group of Big Bang Theory fans! This trivia game will test your knowledge about the smallest details in the show and the characters. If you win the game, then you should be crowned the ultimate Big Bang Theory geek who knows everything! You can also play Rock, Paper, Scissors, Lizard and Spock in the game. Too cool!

"Soft Kitty, Warm Kitty" Plush

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Soft Kitty Warm Kitty is actually a nursery rhyme, but it was popularized by the scene in Big Bang Theory where Sheldon asks Penny to sing the song to him. This kitty plush is very cute and cuddle, and it it sings the nursery rhyme when you squeeze it. Soft kitty, warm kitty, little ball of fur!

"Soft Kitty Warm Kitty" Singing Shirt

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If you do not want to give a plush, then how about this "Soft Kitty, Warm Kitty" Shirt? It has a cute kitty toon and the lyrics of the nursery rhyme printed on this super geeky shirt. It also comes with an audiobox that plays the song at the press of the button! This is an awesome Big Bang Theory gift idea for anyone, men and women and kids.

Rubix Cube Tissue Holder

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Remember that season six episode where Sheldon Cooper does "Fun with Flags"? There was a rubiks cube tissue holder on the side. Check the video below:

Well, that was a bunch of lulz. You can get a rubik's cube tissue holder too. This super geeky thing is a great convo starter in the house or at the office, as well as a nice tool when you have a cold. Superb Big Bang Theory gift idea that does not have something to do with the word Bazinga or shirts.

Sheldon Cooper Action Figure

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This is an awesome Big Bang Theory gift idea for someone who collects toys and watches the show. Also for little girls and girls at heart who would like to play with Sheldon. This action figure is bendable and flexible, so you can pose your little Sheldon guy on the shelf. Bazinga!

Also available are: .

Rock, Paper, Scissor, Spock, Lizard Mug

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Well, you haven't heard of playing this variation of rock paper scissors before Big Bang Theory, right? This mug teaches you in a graphical way which beats which. This mug is a really nice thing, too. Holds a large amount of coffee, perfect for coffee-drinking Big Bang Theory geek. Who said mugs are a bad gift idea?

Periodic Table of Elements Shower Curtain

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This is the extremely geeky shower curtain Sheldon has in his batroom! Check out the video below:

I love how geeky every little room of your house can be! With the periodic table of elements shower curtain, you can memorize the elements while you poop! Awesome!

Caffeine Molecule Shirt

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Raj wore this cool shirt in one of the episodes once! This super cool shirt has the chemical structure graphic of caffeine printed on the front of the shirt. Not everybody will understand this, only chemists and Big Bang Theory geeks will and that is the point!

Looking for More Geeky Gift Ideas?

Aside from Big Bang Theory gift ideas? Then you can take a look at our Dr. Who and Game of Thrones gift ideas. How about dragons and unicorns? Video game bedroom gifts?