Top Definition
The second smallest category in the scientific measurement of farts. Usually involuntarily released, the lett ranks between the SBD and a squibbler.
"Frank bent over to change the tire and a lett squeaked out."
by Frank Klaune March 05, 2004

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.