to fuck someone up in a fight
or destroy something...

to have sex
"man that fight was insane today"
"yeah.. steve femurized that dude"

"i would like to femurize your girl friend"
by Stevie Clancmcgee April 28, 2007
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verb-to snap, crack, or otherwise damage the bone in the upper leg, which connects the hip to the knee.

Origin: Late 1990's. Invented by 'swoopers', extreme athletes that get their daily adrenaline skydiving and skimming the ground.
"Hey man, you hear about AJ? Dude came down over the north field, got his boot caught on a rock and femured. He's done for like six months."
by Tom Blackwell April 16, 2004
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The largest bone in your body, connected to your hip. Very useful for the agressive guy on top.
"Me and my boyfriend had CRAZY sex last knight. I just laid down naked while he licked my titties and used his femurs to fuck me to eternity."
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A person strung out or addicted to anything. Mainly, but not limited to illegal drugs.
Thomas: (Calling friend on phone) Man where the hell are you at?!?!? I've had this blount rolled up and ready to smoke for 2 hours!!!

Chuck: Man calm down, i'll be there in five minutes femur!
by desmon lemon June 26, 2007
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When you're Radical Larry and you hear this over the intercom you're fucking dead lmao
Radical Larry : I'mm gonna go kill some D-bois
Intercom: AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Radical Larry: fucking D-boiz always pressing the Femur Breaker Button goddamnit
by User8823 February 01, 2019
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The sexual act of placing your shaft in the area between your partner's upper and lower leg (this area is known as the 'legpit' or 'legbow') and then using the area to have sex with. This can accomplished be in a one-on-one situation but is usually reserved in a group sex or gangbang setting where all other areas of traditional sex are taken.
Since Jackie had every hole filled and she was jerking off two other guys my only option was to femur fuck her.
by UberBad March 17, 2005
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