The phenomena that occurs when one farts underwater and her gaseous bubble moves up and around her torso before exiting between her cleavage.
by JeninjaCO December 17, 2014

*Jeff* "you seen Stacy Poptart bro?"
*Rian* "yeah bro that shit nasty as fuck! it almost popped in my mouth!"
*Jeff* " I accidently touched it! we can never have a threesome again"
NARRATOR ~ And that's how Jeff and Rian knew they were GAY.
*Rian* "yeah bro that shit nasty as fuck! it almost popped in my mouth!"
*Jeff* " I accidently touched it! we can never have a threesome again"
NARRATOR ~ And that's how Jeff and Rian knew they were GAY.
by PT4L February 16, 2019

A reference to players in certain video games (Mechwarrior, Halo, etc...) who jump up from behind obstacles that conceal them to shoot the opposing team or player. A very n00by person poptarts alot, almost as their sole form of combat.
*Blaza jumps from behind a hill and kills vipetheviper with one shot*
Mechwarrior Vipetheviper: "C'mon Blaza, don't be such a poptart! You have more dignity than that."
Mechwarrior Blaza: "Oh yea? What'll you do about it."
*Blaza jumps from behind a hill and kills vipetheviper with one shot AGAIN*
Mechwarrior Vipetheviper: "C'mon Blaza, don't be such a poptart! You have more dignity than that."
Mechwarrior Blaza: "Oh yea? What'll you do about it."
*Blaza jumps from behind a hill and kills vipetheviper with one shot AGAIN*
by TShead April 29, 2008

1) An insult often used by Cami. There is no definite definition, the only clearly stated definition is in the Napkin to English Dictionary.
2) The best breakfast food ever. They're cooler than you.
2) The best breakfast food ever. They're cooler than you.
1) Cami: You're such a poptart.
Person #1: ...What?
Person #2: Look it up in the Napkin to English Dictionary.
Person #1: Right-o!
Cami: WHOO! I HAS PUDDING!
2) I ate some poptarts, therefore my stomach is cooler than you.
Person #1: ...What?
Person #2: Look it up in the Napkin to English Dictionary.
Person #1: Right-o!
Cami: WHOO! I HAS PUDDING!
2) I ate some poptarts, therefore my stomach is cooler than you.
by Cami (Is cooler than you) March 18, 2007

1. Any girl, usually a teenager, obsessed with being hip, artsy, or excentric, enjoys indie pop music and drinks redbull as a main part of her diet ; A girl who goes out of her way to be a "hipster".
"hey look at that poptart over there, shes such a hipster."
"she wont listen to that music shes a total poptart"
"she wont listen to that music shes a total poptart"
by Auoranaut October 4, 2011

1) One who lacks intelligence and serves humanity mainly as a skin filler.
2) No real nutritional/intellectual value
2) No real nutritional/intellectual value
"He's cute, but when he started talking, it was clear he was a total poptart."
"The corporate poptarts have no idea what is going on, but they show up to make the meeting look important."
"The corporate poptarts have no idea what is going on, but they show up to make the meeting look important."
by Woobie2 May 19, 2009

A popular toaster pastry that comes in a wide variety of flavors. Its imperative that anytime one is seen out of its wrapper, "POPTART" must be screeched.
by MEEEP!KATZEN! July 9, 2010
