Definition of franglais:
(n) :
Colloquial speech that is a mix of English and French terms, conjugation, and grammar.
(n) :
(often derogatory) French terms or expressions recently borrowed from the English language.
(n) :
(often derogatory) The poor French spoken by anglophones.
(n) :
Alternative letter-case form of Franglais. [(often derogatory) French terms or expressions recently borrowed from the English language.]