KFM 

Basically, "KFM" stands for "Kill Fuck & Marry" which is a game where you are given the names of three people and you must decide whom you would want to "Kill" who you would want to "Fuck" and who you would want to "Marry"

Girl: Hey, Dev, Vnasty, or adam lambert? KFM?

Guy: hmm, i'd Kill Adam, Fuck Vnasty, and Marry Dev

KFM by yung_dough September 5, 2011

KFM 

abbreviation for the game Kill Fuck Marry
one person gives another person 3 names of people they know (other gender), they msut choose one person to fuck, one to marry, and one to kill

"Lets play KFM!"
"Ok, Lucy Sam and Mac"
"Fuck Lucy, marry Sam and kill Mac duh!"

KFM by yoyoyoitsBLOOP March 16, 2009

KFM 

keen for a mull

yo, kfm sometime?

KFM by saggyudders June 7, 2020

KFM 

Homosexual, desiring large dongs in one's mouth, etc.

Abbtreviation for "knees for men"

"That dude who doesn't get the point of UD is obviously on his KFM"

"Yeah he likes 'dem big ole donggies, he's KFM."

KFM by Joey Averaggio August 14, 2007

KFMP

Abbtreviation for "Come Fuck Me Pumps"

Stella wore her KFMP's to the club last night.

KFMP by Va Va Voom October 1, 2008