Tank top worn by bodybuilders that has two straps in the front and comes together in the back as one strap making a Y appearance.
Travis has a sweet y-back, but Tyler definently fills it out better because he is more huge.
by tommytoughnuts April 23, 2008
Get the y-back mug.
Underpants normally worn by men of the homosexual persuasion, whereby the opening pouch is located at the rear as opposed to the front.
I'm going out speed fudging tonight, so I got me Y Backs on for easy access!
by Dickie Brooks September 21, 2007
Get the Y Backs mug.
This phrase is a derogatory saying that usually denounces someone's style in something. "X" is usually replaced with a time period whom the person's style reflects. "Y" is replaced with the item being made fun of or denounced.

Another permutation of this saying is more common on imageboards, messageboards, and forums. china called...
Examples of X Called, they want their Y Back...

Hey, Justin Bieber called, he wants his singing skills back.
Hey, the 1970s called, they want their clothing back
Hey, Elvis called, he wants his hair back
by Some dude with a Guitar November 23, 2010
Get the X Called, they want their Y Back mug.