The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

Ugh. Don't get me started
on REBOUND sex.
The Big Bang Theory Season 1, Episode 3

So it's your REBOUND science?
The Big Bang Theory Season 11, Episode 13

Go get yourself
a little REBOUND stress release.
The Big Bang Theory Season 2, Episode 2

the housing market
is unlikely to REBOUND,
Breaking Bad Season 2, Episode 10

And this thing with Doug
would just be REBOUND sex.
The Big Bang Theory Season 1, Episode 3