look up any word, like pussy:
 
1.
For the motherfucking win.
Person 1: Did you see Push?

Person 2: Hell yeah! Dakota Fanning ftmw!

Person 1: Ftmw?

Person 2: DAKOTA FANNING FOR THE MOTHERFUCKING WINNNNNNNNNNNNNNN! *cums*
by Coco Puffz July 11, 2009
 
2.
"For the Mega-Win," this acronym is a variant of ftw.

Apparently, it also means "Fourier Transform Microwave" to some people.
"escargot ftmw!"
"wtf?"
by Spightre November 21, 2007