
...but I've since evolved,
and now I think it's DUMB.
The Big Bang Theory Season 8, Episode 20

So, you told her she was being DUMB?
The Big Bang Theory Season 10, Episode 22

DUMB space bear.
The Big Bang Theory Season 7, Episode 5

Do you hear how DUMB you sound?
The Big Bang Theory Season 12, Episode 13

Set phasers to DUMB, right?
(chuckles)
The Big Bang Theory Season 5, Episode 20