look up any word, like the eiffel tower:
 
3.
Being in the center of a sexual act. Coming from its more convental use in leverage and physics.
Rachel gave head to Tom and did missionary to Rich, she was the fulcrum between them.
by HoserHoe December 05, 2004
 
1.
1. being so incredicbly totally amazingly magnificent (supa cool)
2. replaces the word "fuck."
3. to partake in sexual activities.
4. to splooge; ejaculate
1. Tyreke: Boo, ya know youre my fulcrum
Shanequa: Nigga you dont even know what that shit means!

2. Let's Fulc! Wanna fulc? I walked in on them fulcing and I was like "Hells no!" Shes such a fulcing biggity bitch!!Damn that motha fulca!!

3. Wanna fulcrum?

4. I fulced all over her face man
Nigga you iight!!
by Polaris Mach 5 March 07, 2007
 
2.
The act of being bent over and fucked profusely in the anus by life: To be fulcrumed.
Cluster-fulcrum
1. Chris playing fallout and is killed by a deathclaw-
Thomas: man you just got fucked up!
Shane: Nah man, he just got fulcrumed!!!
by MastaVgamer December 20, 2010