underripe 

1. under 18, as in jailbait
2. having not gone through puberty yet

"I would have gave it to her...but she's underripe."

underripe by D0TY February 17, 2003

underripe watermelon 

looks good on the outside, looks delish, you get inside and its green, filled with thick black pips and it sour!

(attention whore, self obsessed, annoying and dosnt know how to stfu)

that boy is an underripe watermelon

underripe watermelon by insulthoover April 25, 2022

underrated comment 

The response to every top YouTube comment.

*clever comment with thousands of upvotes*
“underrated comment”

underrated comment by pqalmz November 1, 2020

underwiper 

A girl/woman who wipes her ass under her pussy (or top to bottom) thus exposing her pussy and all pubic region to fecal matter.

Holy shit, I was going to eat out J-Lo last night, but when I got down there her shit stank like diarrhea. Bitch is an underwiper.

underwiper by slole1 April 21, 2009

Underrated 

The reply you will see under EACH and EVERY comment on YouTube. Usually written with the intention to get as many likes as possible if the original comment gets popular.

Timmy: Bro my Dog died.
Steve: F
Troll: Underrated
Timmy: *Punches the troll into his face*

Underrated by Peepeepoopoo from urbdic January 11, 2021

Underbite Chia 

Someone who has a major underbite with crooked teeth. And chia pet hair.

Wow! what an underbite chia you are!

Underbite Chia by shrogor cheet January 8, 2020

UnderRated 

Someone that has skill/ talent but never gets recognition or a chance to show it

That player right there is really underrated

Girl : why don’t you play in college
Boy: I was underrated I never got looked at for real

UnderRated by Word man Jr October 23, 2018