Colloquialism of Vagina.
"Oi, take a gheez at my salmon trench."
See that emo in a trench coat?
Yeah that dude is such a JD
Mate did you bang her?
Ohh bro! I changed lanes without indicating trenched it!
1. Trenched (verb): An action that is either epic or unbelievably terrible. A common substitute for the word "fuck" and its variations
2. Trench(ed) (adjective): used to describe incredible awesomeness or utter disappointment
1. Let's get Trenched at the Concert!
Ya bro! I can't wait to be completely trenched.
or
We got completely trenched at the game today, I can't believe we lost.
2. That movie was trenched. It could win an Oscar.
Russian soldiers have oral sex on the front line.
Ivan was caught giving Boris a TJ (trench job)in the bunker.