Meant so say "hot drink" not "hot drunk"! Oops!
It may heal on its own, but you will likely have caused tissue damage. Though assuming you didn't swallow cooking water (normally you'd spit something out if it really burned your tongue), the damage will probably not be permanent.
If it persists for another day or two, get your esophagus checked out.
Drinking hot drinks isn't smart and is linked to throat and esophageal cancer.