underlay 

the term underlay is simply another word for a jumpoff/whore that you have sexual relations with, the term originates in the Bay area but is use in the south as well

Man 1:hey cuzz, imma have to call maxine up
Man 2: yeah my underlay

underlay by The Abbot *7 July 22, 2010

Underlay for the overplay

This is when someone spins you that you made plans with to go be with someone else. A great lie told to keep oneself out of the dog house or look good in front of a certain group of people. Giving an elaborate excuse that's usually not true for why you can't , didn't , or won't be able to do something.

Saturday I had two girls coming over at the same time so I had to think quick and told one that my cousin was in the hospital but that was just the "underlay for the overplay" so I didn't get busted.

Underlay for the overplay by Da Real Deal 1 November 5, 2012

Shuffling the underlay

Euphemism for female masturbation, aka rub one out, flick the bean.

Where's Betty? She's upstairs, must be shuffling the underlay again.

Shuffling the underlay by mackemlad1 September 17, 2019

underpayed & overworked

Not getting enough money for the amount of work being done.

Getting underpayed & overworked @ any job really sucks.

underpayed & overworked by jpg3 September 29, 2013

it's not gay if you're underway 

Homosexual acts are acceptable - indeed, not gay at all - if performed on a naval vessel away from port.

"I licked the Able Seaman's balls while he came on my face, but it's not gay if you're underway, am I right?"

it's not gay if you're underway by Cpt. Jack Hoff November 3, 2007

underly

Meaning "less than something should be". It's the opposite of "overly".
It's one of those words that you know isn't necessarily proper English, but you still find slipping into your sentences every so often.

I am so underly protective, but I know my girl won't mess around

underly by marrymenow December 29, 2014

underlaid 

Having gone without sexual relations for an unreasonable amount of time; by extension, the feeling of being "horny".

"Dude, I am so underlaid, I can't even remember what a penis/vagina* looks like".

*pick one or both

underlaid by Sneezing Wombat May 19, 2005