thirsty or dehydrated to where your tongue feels like it's taking up your whole mouth.
Macie, I have fat tongue. Lets go get something to drink.
by yoshmacang September 26, 2009
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while performing oral sex, the female relaxes and widens her tongue to lick the entire grundle, sac area
"Dude, I got the best head the other day. She even gave me some fat tongue."
by hollerbackgirl January 06, 2006
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