The butthole muscle that determines if a fart will contain solid matter and thus retains the fart for later release on the toilet.
by masedog February 3, 2008
Get the smart musclemug. Term used to describe a person who uses Google searches to compensate for a lack of actual knowledge or intellect.
Donnie is totally Google-smart for looking up how they did that fucking tire-ramp thing in the crazy Rube Goldberg inspired Honda commercial.
by anonymous11121 November 19, 2009
Get the Google-smartmug. A term you use when a joke you use doesn't get any laughs or reaction. usually because there was too much thought into it went over your audiences heads. It is used as a reversal to save face and insult those around you because you made a crappy joke.
"....well thats just because she's really a man." (silence)... "oh sorry, smart joke."
"no? no one got that? smart joke!"
"no? no one got that? smart joke!"
by sexy jesse May 4, 2010
Get the Smart Jokemug. The best thing about The Butterfly Effect!
by KAB April 10, 2005
Get the Amy Smartmug. An adjective that dumb people use to describe themselves, when they don't get good grades in school.
Zach: Even though I'm failing all of my classes, I think its more important to be street smart than book smart.
by TheCatcherInThePye March 28, 2013
Get the street smartmug. My friend is smart when it comes to many things, but retarded when it comes to others...so she is my smart-tard friend.
by Brandalyn November 8, 2007
Get the smart-tardmug. An act of flopping by a basketball player during the last minute of the game, especially when their opponent have a 1 point lead
by Unicornication December 13, 2016
Get the Marcus Smartmug.