in a careless or reckless manner; the shelves were put up slapdash

[ Syn: slapdash , slapdash , slapdash , slapdash , slapdash , slapdash , slapdash , slapdash ]

with heedless speed; yachts ran slap-bang into the convoy at 15 knots an hour'

in a violent or sudden or noisy manner; the pans fell slam-bang and woke the whole house

[ Syn: slap-bang , slap-bang , slap-bang , slap-bang , slap-bang , slap-bang , slap-bang , slap-bang ]

violent and sudden and noisy; a slam-bang collision'