He asked her out once.
It was an embarrassing FAILURE.
The Big Bang Theory Season 1, Episode 5
(Klaxon sounds)
Power FAILURE.
The Big Bang Theory Season 5, Episode 15
whether the accident was due
to mechanical FAILURE or distraction."
Money Heist Season 1, Episode 12
But I would like to remind you that in
science there's no such thing as FAILURE.
The Big Bang Theory Season 3, Episode 1
I'm a FAILURE! I can't do this!
The Big Bang Theory Season 12, Episode 19