A fat, uneducated and hairy humanoid that talks excessively yet still says nothing of substance. Closely related to bigfoot and the abominable snowman.
That oddhairy guy wont stop talking, what a total mouthsquatch!
The idea at southwestern university that everything you think, say and do will be known by your next doorneighbor in less than 10 seconds, by your friends living in another residence hall in less than 10 minutes, and by random people passing the Academic Mall at night in less than 10 hours.
don't worry man, this is Mouthwestern University... your secret is safe with everyone!
A blow job, to get your dick sucked. Word invented Tuesday, November 4th, 2009. Mouthsage can be used in many ways, think of a way to humiliate your friends, "where are you going man off to give a mouthsage?". "I hear he's off giving mouthsage's out back at the glory hole."
Hey babe give me a mouthsage?
Micky-Mouth gave Donald-Dick a mouthsage.
A form of a cappella dubstep created by making womp womp noises and random techno noises with ones mouth. Typically involving lots of drops and high pitched screechy noises. When heard people will spontaneously join in. It is dubstep, just un-plugged and acoustic.
Oh shit did you hear that dubstep Ian just played? Bro that was mouthstep, he made it... with his mouth.