
She was blowing a spit BUBBLE.
It was adorable!
The Big Bang Theory Season 10, Episode 15

So all he does is sit in his BUBBLE
and play "Halo" 24/7.
The Big Bang Theory Season 1, Episode 16

Hubba Bubba over Dubble Bubble?
You're crazy.
The Big Bang Theory Season 9, Episode 8

I had to find my BUBBLE gum cigar so
I could join in without looking foolish.
The Big Bang Theory Season 10, Episode 11

...but this kid's been on the BUBBLE
a while now. It's a long time coming.
Breaking Bad Season 3, Episode 12