
Well, I don't like to BRAG.
The Big Bang Theory Season 12, Episode 5

Not to BRAG,
The Big Bang Theory Season 7, Episode 2

Howie, stop.
I don't want to BRAG.
The Big Bang Theory Season 12, Episode 13

Not to BRAG, but
I'm an astronaut,
The Big Bang Theory Season 12, Episode 15

but really trying to BRAG.
The Big Bang Theory Season 9, Episode 21