Green’s Dictionary of Slang

1. to attack, to beat up; thus panelling n., a beating.

1993		I. Welsh Trainspotting 79: The boy’s mates assume battle stances, n one ay them charges ower [...] n panels this innocent cunt.
2001		I. Welsh Glue 85: Ah’d rather wade intae a mob ay Huns n take a bad panellin, thin shite it n huv tae face they radges ootside the school gates. [Ibid.] 88: Two Huns are arguin and one panels the other.
2012		(con. 1980s) I. Welsh Skagboys 75: Dickson fae the Grapes panelled Coke and smashed his heid in.
2020		G. Armstrong Young Team 19: Their other mate [...] is pannelin fuck oot ae Finnegan.

2. physically aggressive sexual intercourse.

2012

(con. 1980s) I. Welsh Skagboys 226: If she cannae take a good pannelling, what the fuck was she daein in this game?