English

Definition of slap-up adjective from the Oxford Advanced Learner's Dictionary

 

slap-up

 adjective
adjective
BrE BrE//ˈslæp ʌp//
 
; NAmE NAmE//ˈslæp ʌp//
 
[only before noun] (British English, informal)
 
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(of a meal) large and very good a slap-up dinner at a fancy restaurant