The story
Blend of monster + mother-in-law.
Etymology from Wiktionary, CC BY-SA 4.0.
monster-in-law
Today it means: A very unpleasant mother-in-law (spouse's mother). Full definition →
Today it means: A very unpleasant mother-in-law (spouse's mother). Full definition →
Blend of monster + mother-in-law.
Etymology from Wiktionary, CC BY-SA 4.0.