noun used to describe something that is wack (undesirable; ill conceived)
Yo man you gonna go see Norbit tonight? Nah, that movie looks like the wackwack.
by Strictly Burbanks May 2, 2007
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Penis, cock

A Wackwack can be flaccid or erect, and as it moves it goes wack wack...
Dave was giving Cindy his wackwack, as she had been asking him for it, all evening. dick cock
by fusejockey May 3, 2015
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