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1.
1. To be single and not want a relationship
2. To "go with the flow" in a relationship, not wanting anything serious
John: "I wanted to ask Kate to marry me but I know she won't say yes."
Terry: "Why not?"
John: "Because she ain't no wifey."

Selena: "You shouldn't be hanging out with Eric if you're with Sean."
Miley: "Who cares? I ain't no wifey."
by aintn0w1fey August 30, 2013