Top definition
Pronounced: Ho-way-o

Leftover marijuana, generally a small amount, but enough to satisfy one's needs for a quick fix. Comparable to leftover lasagna, fish, or chicken.
M: Wait, Louis, Antonio has some hoaio in his grinder from when we smoked before! We don't need to call Frankie!

A: We're lucky I had no hoaio in my grinder when those cops pulled us over.
by R0ldy January 17, 2009
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