1 definition by geniusperson

someone who pukes after like a few drinks when there friend is chugging them down with ease

being a lightweight is nothing to do with height or size its just who has a stronger stomach
Boy 1: "OMG! did you see that girl last night?
Boy 2: "Yeahh dude, that one that was throwing up all over the place?
Boy 1: lol .. her friend was hammering them down..

Boy 2: OWNED
Both: such a lightweight
by geniusperson February 10, 2010
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