cheapˈ-jack (orig cheap Jack or cheap John) noun
A travelling hawker who professes to give great bargains
adjective
Inferior, of bad quality, worthless
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Main Entry: ↑cheap
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cheap Jack or cheap John,
a peddler, usually of bargains, who prices his wares and then discounts them gradually.
cheap|jack or cheap-Jack «CHEEP JAK», noun, adjective. Informal.
–n.
a person who deals in cheap or worthless goods.
–adj.
Useful english dictionary. 2012.