2 definitions by Nick Salve & Mike Lynch

Past tense of the word "Jack Knife". which is when an 18-wheeler cab turns to a 90 degree angle from its trailer.
"That truck totally just Jacknaff!"
by Nick Salve & Mike Lynch January 2, 2005
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(adj) anything which is unpleasing or undesirable to a high degree; horrendous.
Yankee Fan 1: "I can't believe the Sox won the series"

Yankee Fan 2: "Yah, that was so whore-handed!"
by Nick Salve & Mike Lynch January 2, 2005
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