ˈ ̷ ̷ˌ ̷ ̷ adjective
Etymology: slap (IV)
chiefly Britain : first-rate , fine , excellent ; also : elegant , fancy
a slap-up feed — complete with sherry wine — C.G.Glover
lured into the middle of a slap-up garden party — Christopher Isherwood
ˈ ̷ ̷ˌ ̷ ̷ adjective
Etymology: slap (IV)
chiefly Britain : first-rate , fine , excellent ; also : elegant , fancy
a slap-up feed — complete with sherry wine — C.G.Glover
lured into the middle of a slap-up garden party — Christopher Isherwood
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012