Big Bang Theory - Knock Knock Knock + Penny x3

Big Bang Theory - Penny Knock Knock

"Knock, knock, knock, ""Penny?"" Any fan of the hit sitcom ""The Big Bang Theory"" will instantly recognize Sheldon's trademark knocking pattern from his frequent visits to Penny's apartment. Order your t-shirt now, and start annoying your neighbors with your attire in addition to your Asperger's. Black 100% Cotton Officially Licensed Standard Fit More 'The Big Bang Theory' items: The Big Bang Theory Merchandise"

"We find out in The Cooper-Nowitzki Theorem that Sheldon knows Morse code (""I'm invoking the Skynet clause of our friendship agreement.""). That means the three short taps in the triple-Penny-knock could be the S of ""SOS."" Or possibly he's hissing like a deflated bicycle tire. Or maybe it's an ""s"" like in ""Pssssssst!"" That works. That way the knock both performs the function of getting the intended recipient's attention and also communicating information about the nature of the conversation. Okay. Maybe not. One thing we do know for sure is you don't want to ignore him. Cause he ain't going away. ""knock knock knock Penny! knock knock knock Penny! knock knock knock Penny!"" in white on a black 100% cotton t-shirt. And also, it's in all caps but we didn't do that here because we didn't want to look like we were yelling at you. But you should feel free to yell at people reading your t-shirt. You might notice in the action shots that there was once a version that had ""Penny!"" fir

The Big Bang Theory Knock Knock Knock Penny T Shirt

Whos there?

Whos there?

This Big Bang Theory White t-shirt features the Knock Knock Knock Plus Penny Times 3 printed on the front of the Tee Shirt.Available in Small, Medium, Large, XL & 2XL!Officially Licensed!

Description This Big Bang Theory shirt features a repetition of the words Knock Knock Knock Penny!. When Sheldon visits Penny he announces himself by summoning Penny and knocking three times. He repeats this pattern until an exasperated or amused Penny finally opens the door.   

This is an officially licensed Big Bang Theory product. This t-shirt says "Knock! Knock! Knock! + [picture of Penny] X 3"

This is an officially licensed Big Bang Theory product. This t-shirt says "Knock knock knock PENNY! Knock knock knock PENNY! Knock knock knock PENNY!"

Big Bang Theory Knock Equation T Shirt This is an officially licensed Big Bang Theory t-shirt.

Big Bang Theory Penny T Shirt This is an officially licensed Big Bang Theory t-shirt.

Big Bang Theory Penny T-Shirt.

Description This Knocking Equations Big Bang Theory Shirt features the mathematical equation for the way Sheldon knocks on Penny's door. Sheldon is standing above the equation while wearing a Green Lantern shirt in front of a Fibonacci Spiral.

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Officially licensed Big Bang Theory Penny x3 Knock White Tee Shirt. Features an image of Penny and says, 'Knock + Penny x 3' 100% cotton.

Officially licensed Big Bang Theory Penny Knock Black TShirt. Features a bold white print that repeats, 'PENNY! Knock knock knock.' 100% cotton.

Buyers should beware of shoddy "knock-offs" from disreputable online vendors! Jonathan Gabriel, renowned Internetologist, has allowed us to use his famous theorem under exclusive license.  Newly redesigned to more accurately capture the truth. 100% cotton heavyweight t-shirt in dark green. Printed on the front in white with the Penny Arcade logo on the back.  

Buyers should beware of shoddy "knock-offs" from disreputable online vendors! Jonathan Gabriel, renowned Internetologist, has allowed us to use his famous theorem under exclusive license. 100% cotton heavyweight t-shirt in black. Printed on the front in green and white and the Penny Arcade logo on the back.