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1.
The act of harvesting sperm during masturbation.
After a long day of hard physical labour John decided he should spend his next hour harvesting.
by heathen priestess April 02, 2009
 
2.
To go through the process of combing through coat pockets, couch cushions and scraping the bottom of long abandoned purses in search for change and singles you can scrap together in order to accumulate enough funds for a specific business venture (ie.: a double cheeseburger from mickey d's or a strawberry slush from Sonic)
-"Hey Ash can you go to the movies tonight?"

--"Hold on let me go harvesting before the rents get home."
by ashweelizziebeff February 27, 2011
 
3.
picking out a sexual mate from a crowd
John saw a hot group of guys and couldn't wait to start harvesting.
by xthebowdenx January 08, 2009