Bigsale

6 clues
Store blowout
Store come-on
Clearance, possibly
Newspaper ad header
Advertisement headline
Washington's Birthday event
Similar answers:
Abig
Abigail
Abigailadams
Abigaildeanwill
Abigails
Abigailvanburen
Abigailwilliams
Abigbangmay
Abigdealoutofit
Abigswarmofmorays
Abigturnoff
Actbig
Actedbig
Actedthebigcheese
Adamsale
Adsale
Adsales
Ambigenal
Ambiguity
Ambiguous