a guy's girlfriend; the refferred guy's girlfriend
"I saw him and his girl at the party."

"Be careful, that's his girl. You don't want to hit on the wrong person."
by Mannie's ; P November 17, 2007
Non philistine behavior. When you hypothesize that water is thicker then blood...but your still wrong....douchebag.... punishable by death... from the hand of your brother....in some countries...
That fucking Philip....he went and stole his brothers girl.
by Futre April 19, 2006
Your guy friend MUST give you his sweater today(November 1st through November 5th)
It's National Guy Friend Gives a Girl his Sweater Day! Give me your sweater!
by AlltheGurls&Boys November 1, 2019