That time of year when every man has uncontrollable sexual desires in which they go around humping any and everything they can mount until they ejaculate.
Zoe: "Dude, Ayush was humping my dog yesterday."

Jennavive: "Yea, it's cumming season."
by XXX42069er November 15, 2015
Get the cumming season mug.
The period within a month a man can cum inside of his girl without having to worry about the consequences of impregnation. Usually, this occurs a few days before his girl's period, during her period, and shortly after her period.
Gabe, "Hey David, do you want to go to the movies tonight?"
David, "No way, it's cum season, I need to take advantage of not having to pull out"
by Fluffbun September 24, 2017
Get the cum season mug.
the season after winter where people voluntarily line up in a milk parlour where they milk cows and the milking machine cluster is attached to the genitals (suctioning machine). milking them like cow udders, the semen is extracted and put into a processing machine to create lactose free milk alternative.

-the average human produces 3.2 litters of semen during harvesting season
person 1: the average human produces 3.2 litters of semen a day during cum harvesting season
person 2: that’s cool! cum harvesting season is my favourite time of the year. i can’t wait~
by jummyjummy69 November 23, 2021
Get the cum harvesting season mug.
All of April is when you are only allowed to cum on a females back during intercourse when you are about to nut.
Guy1: Dude is cum back season!!!
Guy2: yeah I celebrated it last night!!!
by Poop mated March 11, 2022
Get the Cum back season mug.