back 

An especially fine woman's butt.

So ladies (yeah), ladies (yeah)
If you wanna role in my Mercedes (yeah)
Then turn around
Stick it out
Even white boys got to shout
Baby got back

All credit humbly given to Sir-Mix-a-Lot

back by baby got it goin' on February 13, 2004

back 

A reference to the buttocks, usually referred to woman who have a bigger than normal ass.

"Daaaammmnnnnn, baby got back!"

back by Alex A. February 18, 2003

back 

A back is a non-alcoholic drink served alongside a shot. Backs are also sometimes called chasers. Sometimes a small beer served alongside a shot is considered a back.

Gimme a shot of whiskey with a coke back.

back by Learn to Swim October 8, 2008

Back 

Adverb

1. expressing a return to an earlier or normal condition

I will be right back i need to use the restroom

Back by Sagority August 4, 2018

back 

Being awesome, feeling awesome, or doing somthing awesome.

example 1
Dude 1."Dude i just smoked that blunt"

Dude 2."How do you feel"

Dude 1."I feel fuckin back!"

example 2: "Holy shit i just caught a fly! im fuckin back!!

back by 606 Brick squad big joe December 1, 2010

back 

An elephant's penis.

Carolyn rode the Elephant's back.

back by Abscido December 12, 2010

back 

Support. A term used to describe backup.

"Oh, snap! Don't mess wit dat busta! He got crazy back!"

back by NT June 14, 2003