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1.
FMH
FMH: (Action verb and an adjective)Fuck me hard or fuck me HARD, depending on the extremity of hardness you'd like to be fucked. Can be used as a good thing (ex. way to express a major turn on) or a worst case scenario (ex. finding out your fiance is not your baby's daddy)
"FMH" *Looking at picture of hot James Franco in his undies with uhhhhh his package bulking out* "FUCK ME HARD" XD

Teacher: "Okay class, your take home final is due today, it's worth 75% of your grade"

Student (who obviously didn't complete the assignment): FUCK ME HARD!
by Natnot_gnat October 23, 2010
 
2.
FMH
1. From my heart.
2. Sometimes stands for fuck me harder.
1. Everything I said came fmh baby.
2. Fmh baby.
by wangsoon May 30, 2007
 
3.
FMH
1.) Fuck Me Harder, often used to refer to a computer giving it's owner problems., see "Mortal Fear" by Greg Iles
Cannot connect!? Well FMH!
by piphipi August 24, 2008
 
4.
FMH
"Fuck Me Heels." Usually extremely high heels that can be clear and/or worn by strippers. May also be seen worn by prostitutes and cross-dressers. When these shoes are visible, you are sure going to be ready for a good time. CMFM
Watch out, somebody's gettin lucky tonight. She's wearing her FMHs!
by r.s. Reeves December 20, 2009
 
5.
FMH
flip my hair; an acronym typically used by flamboyant people to add more purpose to a statement
"I was going to go out with John today but I told him that he had to pick me up at 8 or else I wouldn't go out with him. FMH"
by mily May 25, 2012
 
6.
FMH
Fuck-Me Hips.
Damn, have you seen <girl>? She's got FMH.
by denimem February 14, 2012
 
7.
FMH
Fecal Matter Happens
You know how it is; FMH
by sargasm January 12, 2010