As nouns the difference between stacker and smacker
is that stacker is a output bin in a document feeding or punch card machine (contrast with hopper) while smacker is one who smacks or makes a smacking noise, especially while eating.
stacker
English
Noun
(
en noun)
A output bin in a document feeding or punch card machine (contrast with hopper).
A worker who stacks the shelves in a supermarket.
A participant in sport stacking.
Anagrams
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smacker
English
Noun
(
en noun)
One who smacks or makes a smacking noise, especially while eating.
(slang) kiss
*
(plural only) lips
a dollar
(British, colloquial, usually plural) a pound (money)