Slagging is a term used to describe a kind of harsher form of teasing. While this may seem like an insult to some, to the Irish, it's considered a behavior that shows affection or bonding, and, in some cases, is even used as a compliment.
John:*falls down*
Patrick: Jesus, were you born with one leg shorter then the other?
John: Fuck off
Patrick: Calm down, I’m only Slagging you
add -ington to the end of every important word in ya sentence
Person 1: Bruh you're so weirdington, fuck you oppington.
Person 2: I swear to godington, i'll pull a glockington on yo assington
Person 3: Ion mean to interrupt but what language yall speaking, its tuffa than a hoe
Person 1 + 2: SLANGINGTON!!