when one uses his/her tongue repeatedly to moisten their lips...or smelling the air with their tongue. commonly found at bingo parlors or park benches...and persons over the age of 63.
' i saw a man earlier lick his lips 20-30 times in a minute like a snake...he must have had "old man tongue disease"!!
by therealdow August 27, 2012
Get the Old Man Tongue Diseasemug.