pantywaist

[pan-tee-weyst] /ˈpæn tiˌweɪst/
noun
1.
Informal. a weak, effeminate man; sissy.
2.
formerly, a child's undergarment consisting of short pants and a shirt that buttoned together at the waist.
adjective
3.
weak; fainthearted.
4.
Informal. childish.
Origin
1925-30; panty + waist
Synonyms
1. weakling, milksop, namby-pamby.
British Dictionary definitions for pantywaist

pantywaist

/ˈpæntɪˌweɪst/
noun
1.
a child's undergarment consisting of a shirt and pants buttoned together at the waist
2.
(US, informal) a man or boy considered as childish, lacking in courage, etc
Word Origin
C20: from panties + waist
Word Origin and History for pantywaist
n.

"weak or effeminate male," 1936, from a type of child's garment with short pants that buttoned to the waist of a shirt; see panties + waist.

Slang definitions & phrases for pantywaist

pantywaist

noun

A weak or effeminate male; pansy: The hurt pantywaist ran off a number of copies of his letter

[1936+; fr a child's garment with short pants buttoned to the waist of a shirt]