V. -To perform oral sex on a chubby-obese Female.
Greg: Dude... I'm not doing it.
Randy: You gotta Grub on the Chub if you want her to keep calling you back, bro.
by pynchen June 26, 2013
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When you’re jazzed About your food delivery order, so you wank it while you wait.
Dude I can’t wait for this sushi, it’s giving me grub hub chub rub.
by Mycatlego July 20, 2021
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Getting an erection or being turned on while eating.
Man! These oysters are giving me a Grub Chub
by Hey rissel August 12, 2021
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