Top definition
a. The act of your father having sexual relations with your brothers girlfriend.

b. The act of your father having sexual relations with your your girlfriend.
a. He got Frankensplashed last night.

b. Q: Why is he so sad?
A: He was Frankensplashed last night and his girlfriend left him.

c. Shut up you, that's why dad Frankrnsplashed your girlfriend!
by Garrgamel May 30, 2009
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