Saps

53 clues
Oafs
Dupes
Boobs
Dolts
Fools
Clubs
Dopes
Gulls
Dunces
Chumps
Drains
Weakens
Ninnies
Nitwits
Dummies
Patsies
Suckers
Uses up
Dingbats
Exhausts
Depletes
Boneheads
Dummkopfs
Lunkheads
Dim bulbs
Pushovers
Runs down
Wears out
Fall guys
Easy marks
Easy dupes
Schlemiels
Lamebrains
Undermines
Diminishes.
Nincompoops
Dunderheads
___ pigeons
Drains away
Hapless ones
Chuckleheads
Foolish ones
Chowderheads
Easy targets
Foolish folks
Syrup sources
Sugar sources
Gullible guys
Gullible sorts
Maple products
Hardly geniuses
Gullible people
Drains of energy
Similar answers:
A1sauce
Aahsat
Aaltosaxes
Aasaaa
Aasashes
Aasazi
Abalonesandwich
Abankisaplace
Abesimpson
Abirdinthesand
Aboggleypse
Aboreisa
Aboutaguywhoisa
Aboutfindsabone
Abrahamandisaac
Abrahamandsarah
Absalom
Absalomabsalom
Absalompitched
Abscissa