I want to play boxing?????

[wotcha]

I want to play boxing????

I wan to fight in a boxing match?????

How do you say when you want to be in a boxing match?

[5jj]

I want to ...:
... box.
... fight/take part in a boxing match.
... be/become a boxer.
... have my brains addled.

[BobK]

There was a time when you could also have said 'I want to "practise the noble art"' (they didn't know about addling in those days)

b

[Rover_KE]

You can also say 'I want to stop holding down the ? key'.