1 definition by JoJoSiwaFanBoy666420911RIPXXX

Top Definition
when you aggressively ejaculate into the end of a combine harvester to make the crops grow faster.
Lacey: Did you see how tall Joe's crops were?

Kendra: Yeah, he used a Cumbine Harvester!
via giphy
by JoJoSiwaFanBoy666420911RIPXXX January 23, 2019

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