SLAPHAPPY Meaning of SLAPHAPPY in English slaphapp|y BrE AmE ˈslæp ˌhæp |i ˌ•ˈ•• ▷ slaphapp|ier i‿ə AmE \ i‿ ə r▷ slaphapp|iest i‿ɪst i‿əst Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012