look up any word, like cunt:
 
1.
Ass cleavage hanging out the bottom of a girl's shorts.
"Check out that Slutter Butter, man!"
by Sly Foxx June 23, 2013
 
2.
The act of being a giant slut/whore.
Also, a term of endearment.
OMG! Did you see Dan with that girl last night? She was SUCH a slutterbutter.

Girl to her friend: "Love you slutterbutter." <3
by HRA623 May 17, 2011
 
3.
Tanning lotion for Jersey Shore type females.
Man Snookie looks so dark! She still should have used way more Slutter Butter!
by JMac303 June 12, 2010