pantywaist
noun
Definitions
An undergarment composed, in part, of panties attached to a waistband.
An ineffectual, weak, or timid person, especially a boy or young man; a sissy.
adjective
Definitions
(especially of a male person) Weak, timid, effeminate, ineffectual.
Example: His rough, burly father was mortified by the lad's pantywaist behavior.