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.

Ooh, Sock Mouth's
got him on the ropes.
The Big Bang Theory Season 5, Episode 15

No, they ended up
calling me Sock Mouth.
The Big Bang Theory Season 5, Episode 15

Jay Leno lost a SOCK. It's hilarious.
The Big Bang Theory Season 6, Episode 4

Is it girls? Guys? Sock puppets?
The Big Bang Theory Season 2, Episode 6

MAN: I only got one sock.
Where\'s my other sock?
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MAN: I only got one sock.
Where\'s my other sock?
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MAN: I only got one SOCK.
Where's my other SOCK?
The Big Bang Theory Season 6, Episode 4