It is another word for fesis or poo. It is often used to describe the badness of something, either as prefix or suffix.
by themitch December 10, 2009

Liam Morgan: I just wanna leave school and get pissed with my mates.
or on IM it would be:
Liam says: I just wanna leave school and get PWMM
or on IM it would be:
Liam says: I just wanna leave school and get PWMM
by themitch December 10, 2009
