Top Definition
Showing off in an attempt to attract/rein in members of the opposite sex.

Phrase comes from the Argentine Lake Duck's mating habit, it which he swings his obnoxiously lengthy penis as a sort of lasso to ensnare a female.
Oh here we go, Marcus is lasso-dicking again.

Someone tell that guy to cut the lasso-dickery, we're not interested.
by Leolizard October 12, 2009
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