
It's a lightsaber
BELT buckle.
The Big Bang Theory Season 7, Episode 7

It's a light saber
BELT buckle.
The Big Bang Theory Season 12, Episode 24

once we're in the air
and the seat BELT sign is off.
The Big Bang Theory Season 12, Episode 23

Add a BELT and I'll take you someplace nice.
The Big Bang Theory Season 8, Episode 22

Oh, that is completely below the BELT.
The Big Bang Theory Season 3, Episode 7