"You should prepare yourselves for a mirthquake, as today's comic strip was rated 7.1 on the rictus scale." - penny-arcade.com
by C Vogue November 13, 2006
by Hecuter November 13, 2006
Jerry's mirthquake pleased him.
by withoutamartyr November 13, 2006
by Giblo November 15, 2006
I would've had a mirthquake at my believed invention of the word, if it weren't proven practically ubiquitous by google!
by Da_Jesus November 13, 2006
caused by the person who is the center of a wave of happiness of other people. This happiness is transferred from person to person by word of mouth whether it is a joke or funny event.Those people tell their friends who tell their friends.
Jimmy caused a mirthquake the other day at lunch when he bumped into and knocked off the principle's hair piece in front of hundreds of students.
by CHStom November 15, 2007