
I mean, I can hear the toilet FLUSH
in your apartment.
The Big Bang Theory Season 4, Episode 18

How would you FLUSH it?
And when you did FLUSH it...
The Big Bang Theory Season 4, Episode 1

but I know how to FLUSH him out.
Breaking Bad Season 5, Episode 13

Well, FLUSH Sheldon down the toilet
and get me a new one.
The Big Bang Theory Season 6, Episode 24

At least go with me so you can
open the door and FLUSH the urinal.
The Big Bang Theory Season 4, Episode 23