look up any word, like wcw:
 
1.
A Wigan term - to pester someone, or generally collar them on a particular subject beyond the realms of polite conversation
'Where has Neil gone?' 'He's over by the bar moidering someone'
by J Biscuit August 24, 2007
 
2.
N. Wales general street / housing estate catch-all term meaning, variously, to 'talk nonsense'; 'to corner someone and batter their head with words'; to rap}
"It was hell of a shady last night, I copped a hell of a moidering off that girl I shagged last Saturday"
by Joe Shoo January 08, 2005
 
3.
Murder pronounced with a New York Accent
I saw Spot moider Mr. Weisley last night!
by CrutchysGoil March 13, 2005
 
4.
To talk shit to someone,

Lots of useless natter
Someone blabbing crap
Empty words

NOT "to take a life" as Google's definition declares

ORIGINATES from the Welsh "Mwydro" of same definition "talking crap"
Dont moider my head (Paid a mwydro'n mhen i)
Go away! Dont moider me!

- Where's Dei bach ?
- He's in the bar moidering that new girl from Pwll Gwyn!
by Kingsonone December 02, 2012