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to be hit or injured by the fin (or skeg) or a surf board
"man i totally got skegged today shredding some gnarcore swells"
by graver June 12, 2008
From surfing slang: to be struck in the back of the head by someone else's surf board. Applied generally to any instance in which the actions of another are underhanded and destructive.
Dude, I know I'm getting skegged on this repair bill.
by WayCool November 23, 2004