A smelly vagina, often projecting the aroma of stale crab paste or the contents of a fly ridden dustbin. A term coined in the 19th century but exemplified by pineapple headed chavs who appear on the Jeremy Kyle show.
Marcus: Where's Shaz tonight?
Gareth: Standing on her head in the shower I hope. I ain't going down on that tart till she's toned down the stink trench.
Gareth: Standing on her head in the shower I hope. I ain't going down on that tart till she's toned down the stink trench.
by Penny Smith April 28, 2011
Get the Stink Trenchmug.