Top Definition
to be an asshole,or be a jerk in some manner to any person or thing. being mean or rude to somebody during a situation or just in general.

hating a person.
example one:
Derick: man..i can't wait to leave this girl.she's so annoying.'
Josh: DUDE you're such a sloanner

example two:

you're friend is making fun of you so you shout across the room "ugh WHAT A SLOANNER"

example three:
you hate you're brother,so you call him a sloanner.
ex; "goodness you're such a sloanner."
by party of twoo May 31, 2010
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