From Longman Dictionary of Contemporary Englishsmithereenssmith‧e‧reens /ˌsmɪðəˈriːnz/ noun [plural] → smash/blow etc something to smithereens
Examples from the Corpus
smithereens• He remembered how innocently they had discussed which natives they would blow to smithereens and which they would grant a reprieve to.• He says an overweight lorry in a crash will smash a car to smithereens.• What I really wanted was to bash him to smithereens.• If my anger breaks the glass, I could be smashed to smithereens.• There were the remains of a ship in a bottle, smashed to smithereens, and a rubber toy Bowie knife.• Blowing themselves to smithereens may not have been the only steps they took to shield identity.Origin smithereens (1800-1900) Irish Gaelic smidirin, from smiodar “small piece” 