He grew tired of his job and decided to just 'chuck it (all) in'. [=quit, give it up]
If they don't pay their rent, the landlord will have to 'chuck' them 'out'.
He decided to 'chuck' [='abandon, leave'] his career/job.
(..) What's going on? Don't speak... Deborah, hang up! That's it, I'm gone. Miles! I'll be there tomorrow... degrees. Sir, chuck in the mailroom Needs to talk to you. Chuck... what, chuck? I mean, what could be going on down there That's so important you had to (..)2003 Elf