Slang for a  woman's exterior sexual organs, derived from the pungent and often eye-watering aroma emitted from the gash.  Also known as cooze, minge, muff, nappy dugout, pussy, vagina.
by Fez Monkey August 28, 2005
 Get the onionmug.
Get the onionmug. I pulled an onion on that bitch
by KLC317 September 17, 2006
 Get the onionmug.
Get the onionmug. by ThickBoi002188 November 6, 2020
 Get the Onionmug.
Get the Onionmug. by AhahaGoodMan September 4, 2016
 Get the Onionmug.
Get the Onionmug. Showing one of your testicles out of your pants to insult someone or showing a woman that you do have balls.
Example 1 : Gazza : What's up with the fella's behind us? They seem pretty pissed.
Soles : I gave them an onion.
Example 2 : Mick showed the onion to Jess and she loved it when a guy shows her that he's all balls.
Soles : I gave them an onion.
Example 2 : Mick showed the onion to Jess and she loved it when a guy shows her that he's all balls.
by MSoles7 January 17, 2011
 Get the Onionmug.
Get the Onionmug. Somewhat smelly vegtable that people should stay away from as it makes you cry and smell like onion and disgusting bodily odour!
by Shrubtastic December 28, 2005
 Get the Onionmug.
Get the Onionmug. 