by WordRepoMan April 5, 2013
Get the Whackmug. 1) When power is applied on a diesel locomotive and then engine revs up.
2) People shout WHACK when window hanging behind a diesel locomotive, when it revs up and starts to thrash.
2) People shout WHACK when window hanging behind a diesel locomotive, when it revs up and starts to thrash.
by Tomton THD June 18, 2020
Get the WHACKmug. by Tanzeel Ahmed July 16, 2008
Get the Whack Itmug. by Alex October 11, 2003
Get the this is whackmug. 1. "Man, that's whack!"
2. Tony the legitimate Sicilian businessman got whacked.
3. Hairy Canadian band.
2. Tony the legitimate Sicilian businessman got whacked.
3. Hairy Canadian band.
by Schubert November 26, 2003
Get the Whackmug. 
