For a male to engage in the physical act of intercourse with female.
Q: Did you ooster her?

A: Yes(/No)
by Hammermeister July 24, 2011
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when you are having sexual intercourse with a female and you bust a nut on your nutsake and it sticks to the females asscheek
My bitch called me an Ooster gooster when my nutsake got stuck to her asscrack
by Oscar Flooster December 2, 2020
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