As adjectives the difference between unfappable and unmappable
is that unfappable is (internet slang) impossible to masturbate to; not fappable; disgusting or ugly while unmappable is not mappable; that cannot be mapped.
unfappable
English
Adjective
(
en adjective)
(internet slang) Impossible to masturbate to; not fappable; disgusting or ugly.
Antonyms
* fappable