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10.
One who will spoil plots and endings of movies.
Mike: " He just told me what happens at the end of Harry Potter"

Mark: "Ah, so he pulled a Ronan"
by Blinky19_2004 August 05, 2011
12 130
 
8.
Ronan, Its hard to achieve such a status. Basically being a wing man, for your pals. No matter how ugly or fat the friend is. Call Ronan, he'll fuck anything.

Also known for his 'patter'. And a strange ability to work his magic on all most any creature.
Friend chatting up a hot girl, fat friend comes out of no where. ( friend thinks to himself) Fuck what do i do? All phone Ronan..

"hay man theres this girl ehh.. and her friend"
Ronan : " Dont worry am on her"
by An Actual Ronan January 13, 2011
20 127
 
9.
(noun) the act of hugging someone closely and creepily. its intent is to display affection but it really just turns out being uncomfortable for anyone watching (or in many cases, for the victim of the "ronan.")
a ronan is usually performed but behind, but many forms have derived from the original ronan (for example: the sidways ronan, the front ronan, the 360 ronan.)

(verb) "to ronan" is to perform the act of a ronan on someone, whether or not it is expected. one step below dry humping.
I feel so violated after the ronan that dude just gave me.
-
Dude: Can I ronan you?
Girl: Can I go throw up and die?
by i_like_turtles_muahahaha December 03, 2010
16 132
 
11.
1. A little seal.

2. Moglie boy.

3. A boy who manages to annoy any girl after being with her for more than 5 minutes.
aaww, that ronan looks so cute on that rock (:
by mare-bear September 02, 2008
17 145
 
12.
Most ronans are homosexual, generally they have hair that is unattractive an repulsive. Never the smartest friend in any group and tends to have a poor ability at games such as COD
Friend 1: 'God this person i'm playing on COD is rubbish!'
Friend 2: 'I bet they're called ronan, he's such an idiot'
by Lucozade Baron October 30, 2011
8 144