in cars that have them, where a girlfriend sits when her boyfriend is driving. in no other situation would anyone want to sit in it.
by hiddendude January 22, 2010
John was a poor bastard, being the last person picked up before the road trip. Therefore he was forced to ride in the middle seat.
by lamebums October 13, 2007
When a man or woman sits between the laps of two men and inserts both penises into their anus or vagina.
by TheInformerofAll January 29, 2011
An unseasoned traveler. Someone that gets the middle seat in the last row of an airline by the toilet because they have no airline status.
I had to wait in line at airport security forever, because of this friggin Middle Seat By The Toilet guy. He had no clue what he was doing!!
by Craig R November 13, 2004