An uncomfortable and/or embarrassing emotional experience caused by observing another person's actions or witnessing an awkward situation caused by another person's actions.
He tried to get up three time to tell her that he still loved her. Unfortunately, he was too drunk. Finally her new boyfriend helped him into a cab. It was really ass-twitching.
Did you watch his latest video blog post -- the one where he talked about his childhood? He really opened up; but the part about him wetting the bed until he was 19 made my ass-twitch a little.
Did you watch his latest video blog post -- the one where he talked about his childhood? He really opened up; but the part about him wetting the bed until he was 19 made my ass-twitch a little.
by kallena May 4, 2010

A rare sexual disease among men with small penises. This disease causes men to jerk & jizz uncontrollably during sex, this is very unpleasureable. And EVERYONE hates the twitch of the misquito.
"Dawg, Did you hear about Dave? His woman left him because of his small wang & the "the twitch of the misquito".
by SAT! June 17, 2009

A hate campaign conducted on Twitter, usually against someone who has offended the left-liberal establishment.
by Damon Thomson June 4, 2011

by Cater June 23, 2006

A first time wanker who has not yet used his cock to feel the inside of a womans mouth, ass or pussy
by Bob March 26, 2005

by EmmaCrawford March 10, 2014

A mini-seizure typically induced by cold weather. Usually is quite embarrassing, and occurs frequently. Occasionally can be mistaken for epilepsy.
Person 1: It's so cold. We shouldn't be snowboarding. *shiver twitch*
Person 2: BELLA, you just shook the chairlift with your shiver twitch!
Person 2: BELLA, you just shook the chairlift with your shiver twitch!
by bellabellabelladancerella January 30, 2009
