undercover waterfall

The act of urinating on your partner while they are asleep.

While Todd was sleeping in the dead of the night, matt snuck in and gave him an undercover waterfall.

by Gman692 April 2, 2017

undercover shredder

a term for the people at guitar center who play extremely well (or just badass) but think they can tell you what gear and equipment to buy.Although it is only a theory,it is believed that these people are actually hired by guitar center to persuade you what to buy

the undercover shredder told me buy a gibson E3-335 with a vox amp after I watched him solo

by TAUfanatic October 15, 2009

Undercover Wank

When it's so cold in your bedroom, you have to keep the duvet on while you beat off

"Man, it was so cold last night, I had to have an undercover wank!"

by Eddiehimself November 26, 2014

undercover creep

a guy or girl who seems to be the perfect one but then turns needy in a short about of time

He turned into an undercover creep!

by freaked out! February 21, 2011

Undercover Fatass

Somebody who, despite being extremely skinny, eats constantly and always speaks of being hungry.

Are you kidding me? She made me stop at McDonalds three times on the way over here. She's an undercover fatass.

by I'm at a loss for names. June 23, 2010

undercover roomba

When your going down on a girl under the covers and making a motorcycle noise while slapping your face against her clam

I'm gonna give your mom an undercover roomba tonight

by Catt July 18, 2017

undercover gay

a dude thats still in the closet

when a guy is using a girl to pass himself off as straight he is a undercover gay

by STEPHiE EFF BABY March 31, 2009