It's a derogatory slang word for a (specifically) white (usually single) women who lives off of welfare/food stamps/wic. With multiple biracial children.

The term comes origins come from the act of buying bread with a wic check.
"There goes that bread clip and her 5 kids."

"That is the supermarket all the bread clips go to."

"You don't wanna date dat hoe she's a bread clip"
by ndidomin May 14, 2014
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