1 definition by notthesituation.

1. v. to talk badly about someone online. usually used for when petty girls do it to other girls.

2. v. to ruin someone's reputation by saying bad things about them

syn: trash talk, gossip
girl 1: did you see what she wrote all over that girl's formspring?

girl 2: yeah, she was totally slashing her.
by notthesituation. May 24, 2010
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