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.

The girlfriend and the ex-girlfriend
BONDING over your rooty-tooty stinky booty.
The Big Bang Theory Season 4, Episode 24

- He's speaking about it.
- For me it was a BONDING moment.
The Big Bang Theory Season 3, Episode 1

Oh, father-in-law,
son-in-law BONDING.
It's going great.
The Big Bang Theory Season 12, Episode 8

- What are you using as a BONDING agent?
- Hot glue.
The Big Bang Theory Season 2, Episode 18

Oh, Turnip's out;
I'm BONDING with you.
The Big Bang Theory Season 12, Episode 8