Whatever you do, just don't
make any RASH decisions.
The Big Bang Theory Season 7, Episode 24
before making any RASH...
The Big Bang Theory Season 7, Episode 13
And I told you
I get diaper RASH!
The Big Bang Theory Season 7, Episode 14
Uh, RASH. That's a bad RASH.
The Big Bang Theory Season 4, Episode 6
Uh, RASH. That's a bad RASH.
The Big Bang Theory Season 4, Episode 6