Search Result for "sumpsimus": 
Wordnet 3.0

NOUN (1)

1. a correct expression that takes the place of a popular but incorrect expression;
- Example: "he preferred his erroneous but pleasing mumpsimus to the correct sumpsimus"



WordNet (r) 3.0 (2006):

sumpsimus
    n 1: a correct expression that takes the place of a popular but
         incorrect expression; "he preferred his erroneous but
         pleasing mumpsimus to the correct sumpsimus"