Once? Who got the GUM out of his hair?
The Big Bang Theory Season 9, Episode 10
I had to find my bubble GUM cigar so
I could join in without looking foolish.
The Big Bang Theory Season 10, Episode 11
I'm sorry, and what flavor
is your bubble GUM cigar?
The Big Bang Theory Season 10, Episode 11
actors mark stages this way
with just chewed GUM.Yeah.
The Big Bang Theory Season 12, Episode 24
He always had GUM.
The Big Bang Theory Season 12, Episode 20