Top definition
To totally mess up or tweak in a painful way, usually while attempting a move one lacks the skills to successfully complete.

See dillet
"Nyaaaahahhh, you shackdackled your dillet!"
Response: "Shut up. It's not funny."
Reply: "Nyaaaahahhh"
(sound of a fist hitting flesh)
by cheddy October 05, 2004
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