This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Present participle of sass.

n. an impudent or insolent rejoinder

"Bill Jones -- A good man for "sassing" -- The master of"

sassed    sasses    sassing   

respond    answer    reply    comeback    replication    retort    riposte    counter    return    rejoinder   

Alsace    Cass    Glass    Grass    Grasse    Jas    Mass    Mass.    Nass    Pass   

nuf    nacheral    waspishness    humpy    expat    slam-bang    vernaccia    fergit    abjection    fanfaronade