Usually during the spring and summer months when people who were previously in relationships during the winter break up with their girlfriend/boyfriend to be free for the summer and warm months so you can play the field and not be tied down during the best times of your life.
Jake: "Dude it's uncuffing season, you gotta break up with Jess."

Justin: "I know bro, I will boutta hook up with Sam and Jane."
by yofreakinloman April 18, 2017
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