Mantiesnoun
(plurale tantum) A style of male undergarment briefs that look similar to women's panties.
Mantiesnoun
(plurale tantum) A revealing male undergarment similar to a thong.
Underpantsnoun
underwear, clothing covering the genitalia.
Underpantsnoun
an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin
Underpants
Underpants (often abbreviated to pants in Britain) is a term that in British English refers to men's underwear worn on the lower body. The term is gender neutral in American English.