by Travman December 3, 2002
 Get the backseatmug.
Get the backseatmug. by Zoobafoo March 11, 2003
 Get the backseatmug.
Get the backseatmug. by Mario Bruno  December 18, 2006
 Get the backseatmug.
Get the backseatmug. by Dick Splash January 2, 2004
 Get the backseatmug.
Get the backseatmug. Backseat is when something is horrible and sucky. This makes perfect sense because no one likes to sit in the backseat, and sometimes nasty things happen in backseats. This will catch on in the near future.
by Bitsy-Boo December 19, 2009
 Get the backseatmug.
Get the backseatmug. by Bonaaq February 19, 2021
 Get the Backseatingmug.
Get the Backseatingmug. Kiersten went into Casey's to get cigarettes big gulps doughnuts and condoms and when she came back she found Chad fucking Mackenzie in the Backseat of her car!
by SlopNChop December 11, 2016
 Get the Backseatmug.
Get the Backseatmug.