1. A fruit.
2. An alternative term to express that something is cool. It was primarily used in the video "Kardashians at a Drive Thru" by SimgmProductions. The word is still used in other Kardashian spoofs and there is a number of people saying it under Simgm's comment section.
The negation of "watermelon" would either be "not watermelon" or "sour watermelon".
"This video was so watermelon!"
"The salad at the restaurant is so watermelon."
"That's totally not watermelon!"
U know what a watermelon is
Stream #watermelonsugar by Harry Styles
Diana: «have you heard watermelon sugar yet?”
Georgia Rose: «yeah, Harry loves them.»
the best girlfriend you’ll ever have
“my girlfriend’s name sounds like melon so i call her watermelon. she tastes really good 👍🏽.”
“you’re lucky my girlfriend’s name is keisha.”
The love of Mark Lee's life.
Mark: Hey Johnny have you seen my watermelon?
Johnny: Yeah Haechan was eating it earlier.
Mark: WHAT?!!
To receive a blissful crushing of your head by THICCC, Voluptuous thighs.
Thick Thighed Girl: What would you like me to please you with?
You: Watermelon me head, please (because its good to be polite)