Define Set Me Your Gash Meaning

Set Me Your Gash
The mating call of a Mavros, usually hailing from the ghettoes of Lewisham and Woolwich respectively. This mating call is usually successfully used on single white females. Yet nobody knows why this is so.

Jermaine; Set me your Gash!
Nicky; Okay lets get in the back of my clio!
By Cathy