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Allowing your thoughts to keep circulating to a dead end without leading to a productive or helpful conclusion, usually one ends up confused and frustrated.
She kept cul-de-sac-ing after the convo, rehashing it in her mind and becoming more and more confused and frustrated.
by Le Noix January 04, 2006
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Diverting a conversation into a dead end from which there is no return to the subject at hand.
Are you cul de sacing me again? I was trying to make a point!
by Brownstain October 25, 2007
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