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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
 
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
 
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