adverb, British Informal.
adverb (informal, mainly Brit)
in a violent, sudden, or noisy manner US equivalent slam-bang
directly or immediately: slap-bang in the middle
- Slap bass
noun 1. a rock or jazz style of playing the electric or double bass in which the strings are plucked and released so as to vibrate sharply against the fretboard or fingerboard
adverb 1. in a hasty, haphazard manner: He assembled the motor slapdash. adjective 2. hasty and careless; offhand: a slapdash answer. adverb 1. in a careless, hasty, or haphazard manner adjective 2. careless, hasty, or haphazard noun 3. slapdash activity or work 4. another name for roughcast (sense 1) slap
noun 1. slab dashing.
adjective, slaphappier, slaphappiest. Informal. 1. severely befuddled; punch-drunk: a slaphappy boxer. 2. agreeably giddy or foolish: After a martini he was slaphappy. 3. cheerfully irresponsible: a slaphappy crowd.