Top Definition
on a unsubstantiated whim
Nilly willy is the correct word combination of the words willy nilly.
You can't nilly willy change the rules of the game.
by dthgd October 05, 2009
on ho days when you go 2 the beach and little guys are goin round nudy and they have little willies(not that im pervin...gross!!!)
taetard- oh no qwik swim here cum a stak of nilly willys!!!
by taetard March 10, 2007
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