An acronym for, "Pissed with my mates".
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
Playing With My Mouse ; Usually A Convo Easer
On IM :
Girl - " Hey , Whats Up What You Doing . "
Boy - " Nothin' Much . Just Coolin . "
Girl - " Oh Thats Cool , "
Long Silence ...
Girl - " Im Bored , PWMM "
Boy - " My Bad , i Forgot We Were Talking "