assback 

n. a position in any competitive sport
usually applied to the team fuck up
a.k.a. leftout a.k.a. benchwarmer

Little Johnny, the team fuck up, plays assback. When he gets up to get on the field the coach yells, "Get your <ass back> here!"

assback by Derek Harringtong December 18, 2006

assback 

Someone who sits on the bench all game.

Player: Hey Coach can I play football?
Coach: GET YO ASS BACK ON THE BENCH
Player 2: Damn nigga your an assback

assback by Gozzy October 1, 2006

Assback 

v1: To have won after having performed a series of insults. To show dominance in having won an argument to the opposition. Similar in use to "pwned".
v2: The use of moving the butt in a sexually provocative motion after having bent down. Often used in consensus with grinding and used by woman as a dating tactic to draw focus to the general buttox area.
n: The meeting of the ass and back, but not quite the lower back.

v1: Ajin: I know I'm not in a relationship now, but there are plenty of fish in the lake.
Suman: Ajin, how come you have a lake, but most girls have a sea? (In this context Suman has assbacked Ajin)
v2: Zoe has a tendancy to walk ahead of people and pretend to drop items so she can assback them and seek attention to her buttox.
n: Suman repeatedly kicks Ajin's assback upon cue via remix to the words in the song "Smack That", with the word "Assback".

Assback by S B December 14, 2008

assback 

a woman with a straight back that travels past the buttocks; usually ends in the upper thigh. essentially, a woman with NO ass.

Chase: Yo Larry check out that bitches face...
Larry: um ok, her face is cool...but i also noticed an assback...

assback by Cressionary December 28, 2008

assback 

A rare medical condition in which the person is born with two asses. The normal ass, in its normal location but slightly to the left, then a second ass mid back, but slightly to the right.

My friend Bloodliine said "Dude this chick has underwear for a shirt." to which I replied, "No man, she has assback."

assback by John Vítal August 25, 2008

assback 

Someone whose buttocks is abnormally high or someone who wears their pants up to their chests.

One of our coworkers has an abnormally high ass...we call her "A to the double SS back" (assback). She is terrid!

assback by Clay, Zack, Jed May 13, 2006

Assback 

v1: To have won after having performed a series of insults. To show dominance in having won an argument to the opposition. Similar in use to "pwned".
v2: The use of moving the butt in a sexually provocative motion after having bent down. Often used in consensus with grinding and used by woman as a dating tactic to draw focus to the general buttox area.
n: The meeting of the ass and back, but not quite the lower back.

v1: Ajin: I know I'm not in a relationship now, but there are plenty of fish in the lake.
Suman: Ajin, how come you have a lake, but most girls have a sea? (In this context Suman has assbacked Ajin)
v2: Zoe has a tendancy to walk ahead of people and pretend to drop items so she can assback them (the people) and seek attention to her buttox.
n: Suman repeatedly kicks Ajin's assback upon cue via remix to the words in the song "Smack That", with the word "Assback".

Assback by Suman B December 14, 2008