When one comments on a social media picture or video awkwardly and publicly complimenting the people in the picture/video.
Connor left a thirst comment on my picture about his girlfriend.
by Yeehawthotiana June 4, 2019
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A comment on a video sucking up to the uploader, a person with a lot of followers or subscribers, and them turning attention to them for subscribers or followers too.
Hey man, I was just watching a Bart baker parody when I saw this Thirst comment, some guy named Raulf.

You saw it too?, He posts it on a ton of YouTubers pages saying they inspired him, and to check out his channel. He does a lot of thirst comments.
by AgirlWithHope June 16, 2014
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