Ronan 

A sexually-transmitted disease which usually causes a large, purple-coloured swelling of the penis and testifies

Person 1: Did you get the results back yet?
Person 2: Yeah, I totally got a ronan.

Ronan by awealthyjapanesebusinessman June 17, 2018

Ronan 

Cocaine addict

That Guy is a complete Ronan, he got drunk, took a line and crashed his Lexus on the way home from the bar.

Ronan by Rotarded November 22, 2021

Ronan 

The person that will give you the biggest headache in the world, it will hurt your eyes to even look at him. Hes the ugliest person in the entire world and cant respect boundires, hes mostly made of dandruff and has terrible terrible hygiene. KEEP AWAY FROM ALL RONANS THEY ARE TERRIBLE

“ew what the fuck it’s ronan…”

“omfg i can smell ronan from here it’s terrible”

Ronan by cancerous101 August 23, 2022

Ronan 

To get really drunk and throw up in a public place.

Man, last night I went out and got Ronaned.

Ronan by Mark Z April 26, 2005

Ronan 

NONCE

Ronan is a nonce that likes kids

Ronan by Uncle Barry October 18, 2019

Ronan 

Ronan, the guy who Everyone loves until they know him better. Most Ronan who are called Roro, is gay. He loves to act stupide to make people laugh

« Oh no there is ronan »

Ronan by Nico11789 November 21, 2021

Ronan 

Dickhead, whose mother has large breasts.

Look at that wanker over there with the cunt of a brother called Marc, he’s such a Ronan

Ronan by Even Bigger J November 22, 2021