They dance, they sweat, they CLUMP.
The Big Bang Theory Season 2, Episode 18
Really, a walking
CLUMP of swamp grass?
The Big Bang Theory Season 11, Episode 12
...he never would have found
that stupid little CLUMP of cosmic schmutz.
The Big Bang Theory Season 2, Episode 4
She has a terrible problem
with moisture-induced glitter CLUMP.
The Big Bang Theory Season 2, Episode 18