Sheldon Cooper does not do COZY.
The Big Bang Theory Season 6, Episode 20
...and Fort Cozy McBlanket.
The Big Bang Theory Season 8, Episode 20
...and pressed into service
as a pancake COZY.
The Big Bang Theory Season 3, Episode 15
Okay, nice and COZY.
The Big Bang Theory Season 1, Episode 11
If you really want tenure,
COZY up to the people making the decision.
The Big Bang Theory Season 6, Episode 20