I think they say "JUNK."
The Big Bang Theory Season 9, Episode 11
with a fork stuck in my JUNK.
The Big Bang Theory Season 9, Episode 18
They have to lick his JUNK.
Breaking Bad Season 3, Episode 10
of my JUNK wast night
for Cwaigswist.
The Big Bang Theory Season 5, Episode 14
...that your laptop is sitting on my JUNK.
The Big Bang Theory Season 6, Episode 9