When you tittyfuck a girl's ass. Your penis will move up and down in between the cheeks without entering the anus. Only usable on a girl with a tight ass.
Yo man I was trenching that bitch so hard last night
Dude I'm so jealous that must be better than anal
No doubt
Dude I'm so jealous that must be better than anal
No doubt
by bigjah December 03, 2011

Trenching: The act of having sex without penetration by simply putting your penis between the woman's legs in her thigh gap and thrusting, or by rubbing the penis between the labia ie. In the trenches.
by hockeymama2330 June 20, 2016

by the_frontera December 17, 2011

Trenching is not for the weak and unexperinced
by BeefCurtain McGurken October 16, 2010

When 2 or more men get down and dirty in a muddy trench. presumably that they dug out them selves (without a shovel)
by t.steve.09 September 12, 2011

"Edward enjoys trenching a vagina every morning. He says the dollop of cheese he scoops out tastes wonderful mixed into his morning coffee."
by grape_catAg April 14, 2015

by Platano Power November 20, 2016
