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.

Oh, you lost me at "VOMIT,"
you lost me again at "comet,"
The Big Bang Theory Season 12, Episode 15

The Vomit Comet.
That is so cool.
The Big Bang Theory Season 12, Episode 15

You did VOMIT when that boy's eye
was knocked out in the melee.
Game of Thrones Season 1, Episode 5

but I didn't want the VOMIT
to come back out.
The Big Bang Theory Season 5, Episode 18

Have you ever woken up in a fleabag motel
covered in your own VOMIT...
The Big Bang Theory Season 1, Episode 10