Often used in the sentences “There’s Sam, he’s well hard”, “Careful mate, that blokes nails”
Often forced upon a person due to their financial position, or just because they have an acute taste for all things dangerous / violent.
People with tattoos are mostly considered “hard”.
Also used as an insult to somebody who may think they are “hard”. See examples below.
"That blokes got a black belt in kung fu, he must be hard"
"Everytime he goes out, he gets into a fight with the bouncers, and wins, cos he's nails"
"You're not hard mate, leave it alone"
"He thinks he's fucking nails he does"
sarcasm "Yer you're WELL hard mate!"