Messing around, doing nothing in particular, or hanging out; a de-evolved derm for "dicking around."
by jmplowe August 25, 2011

Receipient of bad luck, primarily when least expected, and usually of great weight. A Dack is usually called "gay" even if not a homosexual.
by Russ March 12, 2004

by Brionnach September 03, 2010

by Shiznay March 11, 2005

by idontknowmuch August 01, 2016

Mmmmmmm these here tracky dacks are both comfortable and unnattractive to members of the opposite sex
by Flavourful Syntax November 11, 2004
