
Yeah, not to BRAG, but
Amy's last birthday
The Big Bang Theory Season 11, Episode 16

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

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

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

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