Just IGNORE him.
The Big Bang Theory Season 10, Episode 13
You can't IGNORE it.
The Big Bang Theory Season 9, Episode 24
Did-did you invite me back
just so you could IGNORE me?
The Big Bang Theory Season 7, Episode 10
Ignore him.
The Big Bang Theory Season 9, Episode 12
Look, normally, I can just IGNORE you.
The Big Bang Theory Season 2, Episode 12