Definitions by Magic Mungo

Slash Dash 

verb – the act of going to the toilet to urinate, especially if one is considerably desperate.

"I'm bustin', I gotta go for a slash dash"

Slash Dash by Magic Mungo May 15, 2010

Trouser Crowd 

noun - A negative term to specify an abundence of men, particularly at the urinals but can also be applied to events dominated by males in a similar fashion as "sausage fest".

"Grr, couldn't piss, there was a massive trouser crowd"

Trouser Crowd by Magic Mungo May 15, 2010