Definition of lawsy in English:

lawsy

exclamation

US
informal
  • Expressing surprise, emphasis, dismay, etc.; = "lord".

noun

US
informal
  • Used for ‘Lord’ in various phrases, especially "lawsy mercy" and variants.

Origin

Mid 19th century; earliest use found in Harper's Magazine. Euphemistic alteration of lordy, after laws and perhaps also after -sy.

Pronunciation

lawsy

/ˈlɔːzi/