Top Definition
Someone who gives good fellatio to the point that semen comes out without effort in the same sense that a milk extractor works.
"Gina gives such good head, she's now known as a automatic sperm extractor."
#blowjob #head #dome #brains #knowledge #cock suck
by Bhold_Da_God September 21, 2007
7 Words related to Automatic Sperm Extractor
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