A mixture of semen and stool. Often times spread all over a person, place, or thing.
Susan begged me to Fink all over her last night at her parent's house.

Dude, is that finkus all over your bedroom wall?
by mr. zug August 23, 2010
Top Definition
A boyfriend who ticks his girlfriend off all the time but is actually a wonderful boyfriend and she loves him anyway.
Boyfriend- *eats the last slice of pizza*

Girlfriend- "Such a Finkus move..."
by TLC15 August 30, 2016
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