look up any word, like dirty sanchez:
 
1.
When you say something totally stupid to a hot guy /girl.

From Dirty Dancing when Baby tells Jonny that she "carried a watermelon"
A Watermelon moment might be:

Cutie: Hi, having a nice evening?
You: Actually I'm just here helping my friend stalk her husband...

Words related to Watermelon Moment

dirty dancing embarrassment jennifer grey watermelon water melon