Having someone come along for a ride in order to use the carpool lane. Only for the purpose of getting to the destination faster, not companionship.
by rockntubakid April 26, 2010

The person or persons attached to your project of group assignment that provides absolutely no value to the activity other then keeping a seat at the table warm.
Person 1: "Maybe we should ask Jason to do that."
Person 2: "Don't waste your time. He is just seat meat."
Person 2: "Don't waste your time. He is just seat meat."
by Man in the White Coat March 09, 2017

Honey, instead of the usual vaginal play this evening, I would like to break one off in your seat meat.
by Clint Fu March 27, 2016

The flesh that gets trapped in gaps and holes in seats and pokes out. Especially with fat people and garden chairs
by whalesharkz December 05, 2013

by Dexter Morgan October 28, 2008

A clan in the MMORPG Runescape centered around large penises and woodcutting.
Requirements:
8+ inches
99 woodcutting
Requirements:
8+ inches
99 woodcutting
Imper588: Hey mic, you heard about that cool clan "Meat Seat"?
Mic T: Ye m8, but I severely lack the penis length to join :(
Imper588: Same :(
Mic T: Ye m8, but I severely lack the penis length to join :(
Imper588: Same :(
by Poopstain687 June 16, 2011

I innocently went to a toilet stall and left in a hurry when I noticed that someone had left a meat seat.
by Charlie Poot February 16, 2007
