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mightymouse

1. small bread eating rodent

2. Crime fighting irc nerd
is it a birn? NO is it a plane? NO ITS MIGHTYMOUSE
mightymouse by bews October 18, 2001

MightyMouse

A lowly 16k on genmay. He really wants an avatar for some reason. Doesn't make threads. Overall fgt.
disclaimer:
MightyMouse does not neccessarily know what he's talking about.
Anything he says that may not make sense cannot be used against
him by other pathetic/respectable individuals.
MightyMouse by M|22 April 5, 2005

mighty mouse 

person: Whoa that weird flying mouse just saved those people.
other person:thats no ordinary flying mouse its MIGHTY MOUSE!!!!!
mighty mouse by ssdd March 19, 2004

mighty mouse 

Stuffing ones finger along with the male member into a woman to appear to have a larger penis.
Man she screamed when I gave her a mighty mouse!
mighty mouse by Tom June 5, 2003

Mighty Mouse Syndrome

Someone who thinks they are like the cartoon character, Mighty Mouse..."here I am to save the day!" A coward who suddenly finds the 'courage' to tell everyone how he would have been the hero in a situation.
i.e. Mark Wahlberg claimed that he would've been able to single-handedly over-power the 9/11 terrorists and prevent a plane from crashing. Mark has 'Mighty Mouse Syndrome'.

mighty mouse 

A guy with an implanted penis prosthetic. The device is inflated with a pump in the scrotum to provide an erection and does not go flaccid until released allowing the owner to enjoy multiple orgasms and fuck for as long as his partner desires. Usually a more mature male and prostate cancer survivor who produces no cum allowing the owner to go bareback without fear.
That Mighty Mouse guy looked like my grandpa, but left my ass tingling for three days.
mighty mouse by 1egg2fry May 23, 2016