A person with bread/food in there smile/teeth.
Yo, Alex hasn't brushed his teeth in a week, he a got mad "Wonderbread Smile"!
by Allegrotechie March 4, 2011
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A person of Italian descent who acts extremely white and/or even worse; redneck. These people are not at all proud to be descended from a Latin people and in fact wish they could be of full Nordic, Germanic, or Anglo Saxon descent. The vast majority of them can't even pronounce their own names.
That nigga Mikey is a str8 wonderbread wop!
by Yaint007 December 18, 2018
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White people who tend to happen to have the strange delusion that they are a huge mandingo-like nubian motherfucker nigga from the streets. In reality, under this hard mean muggin facade, these people are merely whitebread in nigga disguises.
A: Man, look at that one white guy in that group of black guys on the corner. He must be the hardest guy in the whole gang just to stay living.

B: Nah, man, he just a wonderbread nigga.
by Coffy March 2, 2009
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Usually referring to white people being a public embarrassment. Mostly towards Karens, kens, Redpill, and white celebrities who act foolish on social media.
by dogymodg July 11, 2023
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