1 definition by ThePsychoGrasshopperOfDeath

1) a exclamation said to express strong feelings of love and devotion
2) a way to tell someone you love sitting behind them on the bus
Boy: "HUMDOW!
Girl: "Oh, well you sit behind me on the bus every day, but I didn't know you felt like that."
Boy: "So, uh wanna go out?"
Girl: "No."
by ThePsychoGrasshopperOfDeath December 25, 2009
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