pantywaist
noun
panty·waist ˈpan-tē-ˌwāst 
1
: a child's garment consisting of short pants buttoned to a waist
2
: sissy
pantywaist adjective
Example Sentences
Recent Examples on the Web This will not be a league for pantywaists or sissies. 
Jason Gay, WSJ, 6 Dec. 2018
Jason Gay, WSJ, 6 Dec. 2018 Word History
First Known Use
1910, in the meaning defined at sense 1