That's 60 FEET.
The Big Bang Theory Season 8, Episode 3
Thank you. And it's only temporary,
just till I get back on my FEET,
The Big Bang Theory Season 10, Episode 10
But see this space here,
between Sheldon's FEET and my head?
The Big Bang Theory Season 10, Episode 17
SoccerMom09 says to lie down
with your FEET elevated.
The Big Bang Theory Season 8, Episode 8
You really think you
might get cold FEET?
The Big Bang Theory Season 11, Episode 12