A crazy bastard who smiles constantly and loves maths and chess and dungeons and dragons
Girl: Hey Pym, wanna have sex?
Pym: Do you know any equations for that?
Pym: Not interested, sorry.
To "Pym", or to be "Pymmed" - the act of forcing a scotch egg (or alternative globe shaped buffet treat) into one's mouth whilst masturbating and watching the television phenomenon that is Glee.
"I'm going home to get my Pym on".