What is Lipkin?
1.
A woman receiving oral sex while taking a shit, often requiring a special toilet. The opposite of a blumpkin.
Thinking it would pay dividends in the future, Joey gave Laura a lipkin before going out to the party.
See
2.
Lipkin is a name of Russian descent, not a sexual act. Whoever uses it as a term for sex or a specific sexual act is horribly wrong.
Derek Lipkin is a name, not a man who does a specific disgusting sexual act.