
Sheldon Cooper does not do COZY.
The Big Bang Theory Season 6, Episode 20

Ooh! That sounds COZY.
The Big Bang Theory Season 9, Episode 20

...and Fort Cozy McBlanket.
The Big Bang Theory Season 8, Episode 20

All COZY wozy.
The Big Bang Theory Season 7, Episode 15

If you really want tenure,
COZY up to the people making the decision.
The Big Bang Theory Season 6, Episode 20