Top Definition
A male with the last name Mendelson, which can be interpreted as son of Mendel, or son of Gregor Mendel who is the father of genetics. since the person is the son of the father of genetics, they are either genetics or genetics' brother.
Mr. Mendelson, Bob Mendelson, StrongBad Mendelson...
by j00b November 05, 2003

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