Definition of underground

underground

secret.
- See more words with the same meaning: quiet, secret.
Last edited on Dec 05 2011. Submitted by Walter Rader (Editor) from Sacramento, CA, USA on Sep 21 2009.

+	Add a definition for this slang term

Share Tweet E-mail	More info:	Interactive stats:
Share Tweet E-mail	R Related words	Usage Vulgarity SlangMap

Other terms relating to 'quiet, secret':
on the DL	Definitions include: "on the down low", i.e. secret.
QT	Definitions include: "cutie."
back room	Definitions include: away from public scrutiny.
mum	Definitions include: mom aka "mother".
on the sly	Definitions include: secretive.
DL, the	Definitions include: See on the DL.

None. How about some random words?

performant	Definitions include: high-performing.
grizzly chicken	Definitions include: an imaginary animal that is ugly, skinny, and female.
knuckle sandwich	Definitions include: A punch or hit, usually with the hand to another person's face.
bagger	Definitions include: a person who is so ugly that one would have to put a bag over their head (so as to hide their face) before considering having intercourse with them.
nurf	Definitions include: Screwed up or fucked up something.
frizzled out	Definitions include: stressed out.
um	Definitions include: "them."
knock	Definitions include: to impregnate.
meat thermometer	Definitions include: a penis.
didny	Definitions include: "didn't".

Average of 13 votes: 36% (See the most vulgar words.)

Least vulgar

Most vulgar

Your vote: None (To vote, click the pepper. Vote how vulgar the word is – not how mean it is.)

Least vulgar

Most vulgar

Logged-in users can add themselves to the map. Login, Register, Login instantly with Facebook.

To link to this term in a web page or blog, insert the following.

<a href="http://onlineslangdictionary.com/meaning-definition-of/underground">underground</a>

To link to this term in a wiki such as Wikipedia, insert the following.

[http://onlineslangdictionary.com/meaning-definition-of/underground underground]

Some wikis use a different format for links, so be sure to check the documentation.