Top definition
The day you successfully fill your girlfriend with a total of one gallon of cum (1,000 deposits) during your relationship
β€œHey man have you done the homework?”

β€œNah. I’ve been trying really hard to reach gallontines day”
by Giggles&Pooh October 16, 2020
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Apr 20 Word of the Day
A term used to reference cannabis/marijuana/weed.
This Jazz Cabbage got me zooted. Jazz Cabbage is less harmful than Squares. I’m smoking that Jazz Cabbage boy.
by Gypsiehood97 December 30, 2017
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2
A holiday celebrated on February 14th by eating an entire gallon of ice cream.
Allison: "Happy Gallontine's Day Nicole! Would you like to come over and celebrate by eating an entire gallon of ice cream?"
Nicole: "Do we have to share a gallon of ice cream between us?"
Allison: "Don't be silly! We EACH get to eat a gallon of ice cream, as the tradition goes of course."
Nicole: "Sounds great! I'll be sure to wear sweat pants!"
by dallisor February 05, 2014
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3
A holiday celebrated on February 13th by drinking a gallon of beer.
Chad: Bro, are you celebrating Gallontine's Day this year?
Jason: Yeah brah, got my PBR.
by ChickenFlucker February 13, 2017
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