means when you say sorry in a cocky way as in to say sorry i forgot you were hard

Adj. Something that is expected to have a long lifespan by virtue of having existed for a long time, based on the lindy effect, named for the New York restaurant Lindy's, coined by Albert Goldman and popularized by Nassim Taleb.

sarcasm.
'soz' slang for sorry and 'ard' yorkshire for hard meaning someone who is well hard

An individual who believes they are a real hard case, but are actually soft as shite. The term is either used as a sarcastic response to the individual or as a description of them.

said to a complete twat who thinks they are 'hardcore'

When someone thinks their hard and can beat sumone up but they cant really and you say sozard!