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.

Sorry, sometimes the clippers
TICKLE me.
The Big Bang Theory Season 5, Episode 18

Pear, TICKLE, "pear-TICKLE."
The Big Bang Theory Season 3, Episode 13

You know,
the virtual pickle TICKLE.
The Big Bang Theory Season 5, Episode 2

Let's TICKLE some ribs.
The Big Bang Theory Season 7, Episode 12

Which, unlike my body,
is an okay place to TICKLE.
The Big Bang Theory Season 10, Episode 19