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1.
Increased levels of salivation shortly following the consumption of one or many shots. Sometimes this leads up to vomiting in the corner of a bar or in a friends hat.
Damn, that shot of jim beam is giving me the tongue sweats!
by Dick Dorgan May 03, 2011
 
2.
The instantaneous moment your tongue salivates from the smell or recognition of the scent of something spicy or the scent of a delicious previously had meal.
I was pouring sriracha in my cup of noodles, and the smell gave me the tongue sweats
by The Original Revolution April 26, 2011