1. act of asking a someone for their leftover food, especially when it's in styrofoam to-go box.

2. an easy way to eat quality food absolutely free when you're homeless. All you need to do is go to a crowded area with a lot of restaurants and ask everyone holding a styrofoam box, "Are you going to eat the rest of that?"
"Where did all the street kids go?"
"its noon, so right now they're probably whiteboxing on 6th street or the drag."
by g0g September 13, 2014
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An average run of the mill computer or server. Usually built from "off the shelf" parts.
"Have you finished building that whitebox yet?"
by 72mc May 29, 2008
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verb: to ask restaurant patrons for their leftovers as they carry them out (often in white or light brown to-go boxes). It is a more appetizing alternative to dumpster diving for dirty kids/ street kids/ travelers.
Dirty kid 1: Hey lady! If those leftovers get too heavy, I could always carry 'em in my belly!

Lady: Haha sure, here's a little change too.
Dirty kid 2: Damn, we're gonna get fat whiteboxin' this Denny's!
by Nomdeplumber April 16, 2021
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