To masturbate in grandiose fashion; to show off; to be pleased with the current activity that one is participating in; derived from showboat
by LoafWarrior March 28, 2015
 Get the boatmug.
Get the boatmug. by Ammon S May 2, 2006
 Get the boatmug.
Get the boatmug. An automobile, especially a large, vintage one of the type favored by High Tech Red Necks, like a Caddy or a deuce.
by daDebil July 25, 2004
 Get the boatmug.
Get the boatmug. by basicbadger May 11, 2021
 Get the boatmug.
Get the boatmug. by Jonathan O'Neal November 13, 2005
 Get the BOATSmug.
Get the BOATSmug. Abnormally large feet, or shoes.
by Rod Brock September 29, 2005
 Get the boatsmug.
Get the boatsmug. by robert lee johnson III April 29, 2012
 Get the boatsmug.
Get the boatsmug.