Top Definition
To ruin something. Accidental or not.
Our party got Chainsawed by those assholes who through up in the sink.

The bands show was Chainsawed when the drummer got wasted and passed out on the drums.
by Not You Too September 05, 2009
1 more definition
To epically own at something.
Dude, I so chainsawed that Chemistry Quiz!! CHAIINNNNSSSAAAWWWWW!!!
by chainsaw_ftw September 22, 2009

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