The act of placing and sliding ones freshly ejaculated penis on the surface of a persons face or body, leaving a track of sticky juices.
Dude Sea, T'mac, Matt, and Houston just slug tracked you.
by Kush Kingz 420 April 04, 2010
1 more definition
What whores leave on your local bar or tavern.
Christy, I saw you all druck and horny leaving your "slug tracks" all over the bar.
by T.J. Shillingsford Jr. November 17, 2003