Top Definition
He can be identified by the certain level of desperation the individual portrays to get what he wants from the female target, sex. There are no feats too steep, no boundaries set too high for such desperation. Something as simple as "I'm married with 3 kids" won't stop the Thirstanaut. These are considered mere road blocks for him to conquer on his adventure to quench his thirst. Only stopping at such dead ends like "I have herpes" will the Thirstanaut ever end his dehydrated journey.
"She said no 5 times, blocked my number and ignores me at the gym. I'm gunna see when she gets off work and wait for her outside." -Thirstanaut

"This motherf**king Thirstanaut is on one tonight."
by NotDogBro July 21, 2014
6 Words related to Thirstanaut

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