Etymograph

English

sluggos

From slug + -o.

Formed from slug + -o

Middle English slugge ‘lazy person", also "sloth, slothfulness’

English slug

The story

So-called due to the bulge of the genitals resembling a slug beneath the seam or pouch region of the briefs.

Full etymology on Wiktionary

Today it means

noun A type of men's swimming briefs where the bulge of the genitals is noticeable.

Sources

Sources: Wiktionary, “sluggos”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / sluggos