A butt plug that has been dipped in acid, perfect for being shoved up one's behind.
Man, I would sure love to stick an acid twig up Lauren's ass. She's such an uncultured prick.
by VivaLaTrashcan August 31, 2016
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When one is skinny, yet has muscle and jiggle
Hey man you gain weight?
Yeah dude. I’m now twig thicc bro
by WhiteRabbit XOXO December 28, 2019
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