Green’s Dictionary of Slang

a lazy, fat woman.

1667		Dryden & Davenant Tempest III iii: This [his Bosen’s Whistle] [...] is a Badge of my Sea-Office; my fair Fuss, thou dost not know it.
1675		C. Cotton Scoffer Scoff’d (1765) 233: That great ramping Fuss, the Daughter.
1702		R. Steele Funeral iii (1734) 51: But Madaam, o’ Sunday Morning at Church I curtsied to you; and look’d at a great Fuss in a glaring light dress next Pew .