Once? Who got the GUM out of his hair?
The Big Bang Theory Season 9, Episode 10
A lot of chewed GUM here.Yeah.
The Big Bang Theory Season 12, Episode 24
after a deep GUM cleaning,
I thought I got on a bus
The Big Bang Theory Season 5, Episode 15
What do you want, a medal?
It was your GUM.
The Big Bang Theory Season 9, Episode 10
I'm sorry, and what flavor
is your bubble GUM cigar?
The Big Bang Theory Season 10, Episode 11