The GIBBON is the only member
of the ape family not classified as a great ape.
The Big Bang Theory Season 8, Episode 8
It'd be more hygienic
if they had a plague-infested GIBBON...
The Big Bang Theory Season 2, Episode 4
Sorry, kid. You got it worse than a GIBBON.
The Big Bang Theory Season 8, Episode 8
...and his sister just successfully grew
a human pancreas in an adolescent GIBBON.
The Big Bang Theory Season 2, Episode 15
...just to single out the poor GIBBON
as the weird kid on the playground.
The Big Bang Theory Season 8, Episode 8