An instance of [[expressive hair]] where a character's [[ahoge]] droops, gets bent up, curls, or shrivels in order to show that the owner is  [[exhausted|worn-out]], [[sleepy]], [[sad]], [[depressed]], [[disappointed]], etc.

h4. See also
* [[ahoge]]
* [[heart ahoge]]

h4. External links
* "TV Tropes - Expressive Hair":[https://tvtropes.org/pmwiki/pmwiki.php/Main/ExpressiveHair]