A unit of measure equal to 1 dick-pound of thrust. Most often used to measure the amount of sexual prowess needed for a woman to achieve orgasm.
To convert to metric units 1000 Trevors is equal to 1 metric Dick-Ton of force
Man, Angelina Jolie is easy it only took me 3 Trevors to make her squeal.
Damn! Britney is fucking tight! It took me 50 Trevors just to get up in that!