A hip greeting developed at the University of Maine similar to a fist bump. The difference is that after contact, you spin your fist as though you are popping the cork off of a wine bottle. Make sure to say 'cork it!'.
Source: Zac @UMaine
Man 1: Yo, sweet fleece bro.
Man 2: Hey thanks man.
Man 1: Cork It!
Both men proceed to cork it.