If someone is 'punching', that means that they are 'punching above their belt', or in other words the person they are talking to or dating could be thought of as more attractive than them. (Tom is really being ambitious right now. He's talking to Jacob – the hottest boy in school – Tom is definitely punching.)

What does shapey mean UK?

SHAPEY was coined by @ItsRykard when I used to get drunk and get my drunk eyes on. means get fun, get happy, get naughty, get SHAPEY #vibes.

What does mug mean in UK slang?

3a chiefly British. (1) : fool, blockhead. (2) : a person easily deceived. b : punk, thug. mug.