That woman didn't get heat RASH once
with me on powder patrol.
The Big Bang Theory Season 10, Episode 10
Uh, RASH. That's a bad RASH.
The Big Bang Theory Season 4, Episode 6
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
before making any RASH...
The Big Bang Theory Season 7, Episode 13