Little ball of FUR
The Big Bang Theory Season 4, Episode 2
♪ Little ball of FUR... ♪
The Big Bang Theory Season 5, Episode 6
But I realize
they're gluing FUR everywhere,
The Big Bang Theory Season 7, Episode 21
Little ball of FUR
The Big Bang Theory Season 1, Episode 11
and your son's got no FUR
to keep his balls warm.
Game of Thrones Season 1, Episode 9