Best definition
wet from the back
Wet from the back –
1. A gayboy has been bumming, and he has got a wet mark at

the back of his trousers/shorts/etc. where he has been bummed.
2. A gayboy bums another gayboy. He gets wet FROM the back, because it is the gayboy he was bumming’s back that got him wet. He has a mark like he has pissed himself for ages.

1.OMG! Look at that! lol! Max is wet from the back!

2. Max, have you pissed yourself, or are you wet from the back?