that can get a person uninvited
to this year's Who Con.
The Big Bang Theory Season 5, Episode 14
C-O-N...
The Big Bang Theory Season 1, Episode 6
(snaps fingers)
Who Con-- you're out.
The Big Bang Theory Season 5, Episode 14
But you have the CON.
The Big Bang Theory Season 2, Episode 5
If this was some sort
of long CON
The Big Bang Theory Season 12, Episode 7