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.

I LIMP.
Game of Thrones Season 6, Episode 6

The dietitian at the cafeteria
with the LIMP and the lazy eye?
The Big Bang Theory Season 1, Episode 3

♪ Downwards from his horse did LIMP
Game of Thrones Season 1, Episode 5