When the opposing person tries to fool you with their plan, but you had a plan all along.
Opponent: You FOOL! You've fallen into my trap!
You: You idiot, you've activated my Trap-Card...
A video of someone acting slutty
Boy 1: hey did u see her thrust trap the other day?
Boy 2: yes it was so slutty
Sandlot slang for 'mouth'. c.f. pie hole. Appropriate for use in the company of young children. 'Snack Trap' is a semi-generic name for a plastic container often seen full of Cheerios in the hands of 2-year olds.
Father: I really don't want to read this 'Thomas the Tank' dreck anymore.
Mother: Shut your snack trap, daddy, I've read it three times already today.
Child: We went to the Exploratorium and daddy got me some Jelly Beans!
Mother: Jelly Beans?! Really?
Father: Watch your snack trap, kid, that was supposed to be a secret!
When a friend traps you into their Facebook profile by using your picture in their cover photo.
Aw man, he Profile Trapped me! Check out his cover photo!
Being confined to a small space by the booty. Can be the result of being in a crowded space or having someone sit on you.
The other day I was trying to get up the escalator when suddenly this really large lady stood right in front of me and totally ass trapped me.
A thought experiment that proposes the following. If you fuck a feminine looking person, and never check if they have a dick, are you gay? Did they have a dick to begin with?
Jock 1: Fucked this cute bitch at the gay bar last night
Jock 2: Bro was it a guy?
Jock 1: Not sure, it was a Schrodinger's Trap
When you combine Schrödinger's cat with anime Traps.
Schrödinger's Trap is a person that unless directly asked you cannot be certain of their sex as it can change as the story progresses.
"Is Ruka Urushibara from Steins;Gate a guy or a chick?"
"Both and neither, a Schrödinger's Trap. Rintarou fell for it."
or SPOILER for Tengoku Daimakyou
"Have you seen Tengoku Daimakyou? Kiruko's a flippin' dude inside!"
"Yeah, never would have guessed it, another Schrödinger's Trap."