A flacid (limp) penis. Antonym: hard-on. A soft-on is generally produced by a woman with absolutely no sexual appeal.
Synonyms for soft-on
On this page, you will find 30 slang terms related to soft-on. Some of the top words include: soft-on, decrepid man, cock-sucker, penis wrinkle, woodpecker, and 25 more.
