
No.
The Flash SHIRT is because it's Friday.
The Big Bang Theory Season 4, Episode 2

He's not talking about your
SHIRT. Your SHIRT is fine.
The Big Bang Theory Season 5, Episode 6

If you could take off your SHIRT...
Game of Thrones Season 7, Episode 2

you might have to take your SHIRT off.
The Big Bang Theory Season 10, Episode 8

And the Flash SHIRT is what?
Because you're gonna run fast?
The Big Bang Theory Season 4, Episode 2