Skip to main content
1. an ounce of cocaine.

2. Allium cepa, the vegetable commonly known as an onion, also includes the shallot.

3. onion routing, a technique used by TOR (The Onion Router) to achieve a degree of anonymity.

4. .onion, a special-use top level domain name used to designate an onion service. Usually only accessible via TOR but Brave browser can access it too in private mode. Commonly used to buy drugs and weapons.
Example 1: Shaun went to his local dealer and asked for an onion. He got his moneys worth in cocaine.

Example 2: Toby was making a salad, so he added half an onion into the mix.

Example 3: Terry used onion routing to find out how to DDoS someone he has beef with on the internet without the government knowing.

Example 4: Kate went to dark.fail to find .onion drug markets.
onion by FuckDidMomSay January 25, 2024
A bitch, a goofy, a idiot.
Go-Yu: don’t u ever turn your back away from me Ye-Seong you fucking onion. You bow and respect me. If you want in you respect Go-Yu I’m the crime boss of Xi’An.

Ye-Seong: … *bows*

Go-Yu: *laughs* remember your an onion I paid a bottle of wine to bring you here to work for me.
Onion by BigDawgRon February 19, 2024
Someone very stupid; Has the IQ level of a vegetable.
Person 1: Did you hear ____ got caught vaping in the school bathroom?
Person 2: At school? Jesus, that guy is an onion
Onion by sofiee77 February 24, 2025
A shortened form of good opinion. It can either be used on its own to express agreement, or it can be used within a sentence to stand in for good opinion.
Person 1: “Fast and Furious 23: Rapid Rampage, is literally the greatest movie of all time.”

Person 2: “Goonion”

or

“MLK has such goonions.”
Onion by The blg definer June 3, 2026
Internet and regional slang for a toxic or aggressive Russian. Often used in online arguments or political debates to call out someone acting bitter or toxic.
We were winning until we got paired with an onion who started team-killing because someone didn't drop him an AWP.
Onion by kern3l June 26, 2026
the end of a website on the dark web. only works on a browser called TOR
Dude 1: I went to Nude.onion last night and it was awesome!
.onion by THAT_EMO_KID_666 September 21, 2020