What it means
A proper South Wales sentence tag you pop on the end for warmth, emphasis, agreement, or a gentle push. It's a bit like saying man, but softer and more local. Come on, mun can mean hurry up. Alright, mun can mean fair enough. Tiny word, big Valleys energy.
Usage examples
"Just get in the car, mun, we're going to be late for your nan's birthday and she'll have our heads if the cake goes cold."
"Come on, mun, the bus from the village hall of Treorchy to the Cardiff city centre is leaving in ten minutes, the cousin is waiting at the corner of the Tesco Express of the Pontypridd road, and the football match at the Millennium Stadium kicks off at three sharp in the afternoon."
"Alright, mun, the new chip shop on the high street of Ystrad Mynach has a special offer on the Friday evening for the regulars of the rugby club of the valley, two portions for seven pounds and the manager of the takeaway is throwing in a free can of dandelion and burdock for every customer of the queue."
"You’re overthinking it, mun, just send the message and have done with it."
"Nice one, mun, I knew you’d sort it before everyone else got their shoes on."
Where it comes from
In South Wales English, mun is widely traced back to Welsh mwn, an old particle used to add emphasis or feeling. It slipped into local English through everyday bilingual speech, especially round the Valleys, and stuck because it keeps a sentence sounding warm, familiar, and properly Welsh.
This expression also appears in
