Top Definition
a combination of 'slut' and 'whale' - self-explanatory really.

basically, a more fun and colourful way of calling someone a fat slut

can also be used as a general nickname/greeting, a general all-purpose word :)
"ugh, Jonathan is SUCH a slutwhale"

"hey, slutwhale!" *hugs*

"slutwhale, could you pass me that stapler?"
by No. 1 Slutwhale January 08, 2011

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