w.u.g.w.m stands for will you go with me?
a popular abbreviation in the armagh area(northern ireland)
'going with someone' is also known as a court or making out as the yanks across the pond put it:)
at glenavon discotech,
patrick:will you go with my friend?(points at friend)
patrick:w.u.g.w.m?(looks at karen expectedly)
karen: eh noo thanks, walks away scundered.