know one's onions

to be competent and authoritative in one's work

He really knows his onions when it comes distilling alcohol.(example of know one's onions)

by The Return of Light Joker October 18, 2010

onionhead

Adam H has a huge titanic sized head or nipple head as he's best known.

onionhead

by Mathhew Ogilavu September 24, 2003

Carrots and Onions

To sit in a hot tub with one or more person and just stew.

Hey babe, wanna go carrots and onions with me after dinner?

by heyousup March 10, 2007

onion

the head(especially as a retainer of sanity)

Your totally out of your onion.

by The Return of Light Joker January 25, 2008

Onia

Onia(un-ee-a) The nigga version for a ogre.
If you a onia that means you are dumb.

Shut up you ONIA!

by OniaDestroyer October 13, 2018

Onie

To be an “Onie” means that you are part of a group that is only for men. This is because it has something to do with their no no square. People who are an “Onie” have a penis size under half an inch.

I had tried to have sex with this one guy last night, but he told me he was an Onie so I left ASAP

by Jadoni October 16, 2018

The Onion

An annoying ass web site that posts fake articles.

Yet another "The Onion" article was posted on digg. Some users were tricked into believing the fake published content.

by bluemuffin June 7, 2009