Top Definition
During the act of oral sex the female bites a hole in the condom air bubble without the male knowing, and then the two participate in vaginal intercourse causing a what seems to be an accidental pregnancy but it's really not
"Bro I don't know how Lisa got pregnant, I wore a condom"
"Maybe she tricked you with a swiss condom, did she give head?"
by cuddycowboy36 April 09, 2010
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