
I can't wait until I get a RASH.
The Big Bang Theory Season 7, Episode 7

That woman didn't get heat RASH once
with me on powder patrol.
The Big Bang Theory Season 10, Episode 10

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