Snog: Slang used as a 'French kiss' or to kiss with tongues (US [DM]: deep kiss, not necessarily with tongues)
Quid: Informal / slang word for the English pound sterling monetary unit; - Remains quid in plural form ("Can I borrow ten quid?") (similar to US buck, meaning dollar) ** Quids in: Informal usage, - a financially positive end to a transaction or venture "After all that, we'll be quids in!" (US: money ahead)
Nonce: A slang term for paedophile, pimp, child molester, or idiot. (The Police dealing with such, 1973 UK style):-
I've heard it used as a way to find out if there's gas in a cars tank by running a hose down or unplugging the fuel line from the carburetor.
Nobble: (v.) to sabotage, attempt to hinder in some way. E.g. "Danny nobbled my chances at the pub quiz by getting Gary to defect to his team"
'Never-never': (slang tem) for getting things on hire purchase - Often used in the media as a derogatory term to describe credit or debt.
'Mouthing off'. Term for shouting, ranting or swearing a lot about something or someone. e.g.: "that guy was just mouthing off about something"
"Suck it up": Meaning to accept something unpleasant or difficult, often used when a situation occurs that one can do nothing about, and the only thing one can do is , 'take a deep intake of breath' (Suck up - the air') - and 'Move on'
One thing I have noticed is that you folks will say--"fell to the floor ," instead of fell to the ground.
Knackered Slang term for exhausted, broken; the term may derive from either of two meanings of the noun knacker (see knacker's yard and knackers below), thus to slaughter or castrate
Grotty: Meaning disgusting, dirty, poor quality (originally from grotesque, though now rarely used with quite that meaning). *In a scene from the 1964 film A Hard Day's Night, George Harrison has to explain the meaning and origin of the word; the impression is given that it was then considered modern slang, known only to trendy youngsters (this is no longer the case). George Harrison would have been familiar with the word as well-established Liverpool slang