Third lung syndrome.
When, instead of a brain, a person has a third lung in the space where their brain should be. Unfortunatley, this means they have a bigger air capacity, allowing them to talk more, but because they have no brain, they don't have the ability to think through about what they're going to say first.
A common name for somebody with TLS is airhead. Which is ironic because lungs of course breathe in air.
Girl: Stands in pudddle. "OMG! Its like all wet and stuff!'
Guy: '*cough* TLS! *cough*'
Prices shown in USD.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.