Literally a sexual boy toy who belongs to an older man. The younger guy is a bottom or anal receiver while the older guy is the pitcher, or top. Also, an extremely submissive and ass-kissing employee or student.
Who's the tasty twink over there by the bar? Oh that's the bartender's new butt boy.

Hey guys, I got an A+ in History. No wonder, you are such the teacher's butt boy!
by Jumping Jake July 20, 2009
Get the butt boy mug.
A servile underling. Especially one who is also a sycophant. A suck up or brown-noser. Synonomous with "toadie" or "stooge." A butt boy does his Master's dirty work.
The CEO is sending one of his butt boys down to straighten out the mess in accounting.
by Tom Robinson November 24, 2004
Get the butt boy mug.
a boy in which participates in anal sex, usually submissively.
Jackson Bender 's new name is Butt Boy especially after the "shit" he pulled doing anal lol.
by littlesavage03 August 16, 2017
Get the butt boy mug.
Butt boi is the king of the avengers for the anal retreet that is the backside of James.
Budd boi protects the gay and fucks the str8 in hope to make the world a frilly place with loads off rainbows and skittles
Is it a plain, is it a bird, no! its BUTT BOI
by JT June 29, 2004
Get the Butt Boi mug.
sells cheap tasty treats for the whole family inclunding diabitices
Mmmmm.I could go for some Butt Boy right now!!
by Bradley Boy November 29, 2002
Get the Butt Boy mug.
Term for a guy who, when given a choice of all the other delectable parts of the female anatomy, ALWAYS checks out the booty first. If the butt doesn't pass, doesn't matter what else is goin' on.
"Holy damn, check out that babe!"

"Nahhh.... She ain't got what this butt boy is lookin' for."
by yeah right i'll tell you July 8, 2006
Get the Butt Boy mug.
one who sits on a green buttcushion and says it is because it's for good posture, yet we all know he has a sensitive tush.
He is buttcushion boy!
by some1 January 26, 2004
Get the butt cushion boy mug.