protective pants
noun› An adult diaper.
1
Euphemistic Synonym of diaper briefs (“briefs-style diaper for adults suffering from incontinence or bedwetting.”).
2
Euphemistic, Rare Synonym of incontinence briefs (“thin briefs-style diaper for adults suffering from mild urine drip or leakage”).
3
Euphemistic Used other than figuratively or idiomatically: see protective, pants.