A small stick.

By extension of this, someone who is bone-thin, usually unattractively so, whether they are naturally that thin or not.

Usually accompanied by chicken legs and a lack of booty in both sexes, a lack of muscle tone in males, and a lack of breasts and hips and curves in females.

Also see Twiggy, legendary 1960s supermodel who idealized this androgynous, starving waif look.
"I'm not a twig and I refuse to be."
-Kate Winslet

This little twig is my granddaughter? Aren't you feeding her?! She looks like a swizzle stick!
by Lorelili November 17, 2009
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a twig is the whole lacrosse stick. it includes the shaft, head, all of it
Bro: Can I see your twig?
Bro 2: Yeah bro, I just strung it.
by laxbroski May 19, 2009
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a way to insult someone who is being dumb, that most people won't find offensive (or possibly even understand) unless they think you're talking about them being too thin, so watch out for that.
Bryan: When Trump is put into office I'm gonna move to Hawaii.
Cole: Why?
Bryan: So I don't have to follow his rules.
Cole: Oml, shut up you twig.
by Dan and Phill Trash January 11, 2017
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A derogatory term used by fat people to describe normal-sized people (i.e. anyone not morbidly obese).
No man finds you attractive cuz you're a size 8 twig!
by Lisa T. June 12, 2011
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To comprehend, understand, get hip to, grok.
The news media are finally twigging to the fact that...
by Mark Dixon July 28, 2003
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