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3.
(adj.) used to describe young people, particularly female, but can be used to describe both genders.Takes on sexual connotations when regarding teenagers and early twenties adults.
Etymology: derives from the diaper changing language and behaviors of women to describe babies and babies anatomy.
" Hey what are you doin'messin'with that girl/boy? She's too young for you,she's just a lil' stinky butt"
"You don't know anything; you're just a little stinkybutt
by taoteqingren October 25, 2005
 
1.
a. horrible smells or aroma coming form someones butt
Someone has a stinky butt!
by Noble Woman November 13, 2007
 
2.
(Adj) Refers to a young person, usually a female, but can be either gender. Has implications of sexuality and feminine body musk as well.
Etymology: Derives from the meaning that children wear diapers, thus they are"stinky butts".
as in "You don't know nothin' your just a lil' stinkybutt",
or "You're hittin' that? She ain't nothin' but a lil' stinkybutt!"
by taoteqingren October 25, 2005
 
4.
A butt with rump stank
Brett has the most odorific stinkybutt, Dani just loves to wiff a good one as she licks his bunghole.
by ploko September 10, 2004