His IMAGINARY girlfriend
broke up with him.
The Big Bang Theory Season 1, Episode 2
They were not friends.
They were IMAGINARY colleagues.
The Big Bang Theory Season 1, Episode 15
Do you understand that Stephanie's
not here to treat your IMAGINARY ailments?
The Big Bang Theory Season 2, Episode 10
Even as a little boy, he'd send his IMAGINARY
friends home at the end of the day.
The Big Bang Theory Season 1, Episode 15
He was robbed
of a bunch of IMAGINARY crap...
The Big Bang Theory Season 4, Episode 19