
And a pointy HAT
sticking out of your eyeball.
The Big Bang Theory Season 8, Episode 22

Put tHAT down.
THAT is not a HAT.
The Big Bang Theory Season 12, Episode 7

It's also a HAT.
The Big Bang Theory Season 11, Episode 13

...tending an herb garden
without wearing a HAT or sunblock?
The Big Bang Theory Season 4, Episode 20

An alcoholic who's two tequila shots
away from letting you wear her like a HAT.
The Big Bang Theory Season 1, Episode 16