Adjective: slapdash 'slap,dash- Marked by great carelessness
"slapdash work";
- haphazard, slipshod, sloppy
Adverb: slapdash 'slap,dash- In a careless or reckless manner
"the shelves were put up slapdash";
- slam-bang [informal]
See also: careless, cavalier, cheapjack [N. Amer, informal], gimcrack, shoddy
Encyclopedia: Slapdash