To give a girl a good ol' finger at McDonald's. This can be in the dining area, bathroom or crew area. A McFinger can be performed at any time, as long as you are in the restaurant.
Person 1: Hey Dave, I heard you gave that girl a McFinger, did you end up having sex?
Dave: No way, I would never let a girl touch my willy.
Dave: No way, I would never let a girl touch my willy.
by 4nthrax October 23, 2014
(n.)Someone who takes forever to type an entry on Instant Messenger... especially when the subsequent entry is only a couple words long.
(intrj.) To implore someone to hurry up and send their Instant Message.
(intrj.) To implore someone to hurry up and send their Instant Message.
"C'mon, Typey McFingers."
by Jrznt June 5, 2004