cerca qualsiasi parola, ad esempio bukkake:
 
1.
when you grab someone in the muscles right above their knee on the right and left sides while they aren't expecting it. it can be very shocking. almost orgasmic.
(you cant do it to yourself, so dont even try)

Note: not a sexual act
that dude pissed me off, so i gave him multiple femurgasms while he was sleeping.
di jax900 27 febbraio 2005