The overwhelming odour eminating from a rather unwashed vagina.
Firkin' hell, Im glad I didnt go down on her, the trench stench was foul
male's urethra or man's place between the arse
Do you hear it he was masturbating his trench stench with a pen!
I went down for a chew but her stench trench was a real minger
A slightly wiffy 'Kipper Canyon' qv
She'd just got back from Yoga and had a bit of a Stench Trench, it was like sucking on a lead acid battery