The story
Related to imitative "schm-" of many Yiddish words such as schmaltz or schmuck.
Etymology from Wiktionary, CC BY-SA 4.0.
sch-
Today it means: Used to form an intensified word, typically with words starting with voiceless sibilants and affricates like /s/, /ʃ/, and /t͡ʃ/ especially for comedic effect. Full definition →