Slap-bang
,in sport, means that the gun was discharged incessantly; it went slap here and bang there. As a term of laudation it means “very dashing,” both words being playful synonyms of “dashing,” the repetition being employed to give intensity. Slap-bang, here we are again, means, we have “popped” in again without ceremony. Pop, slap, bang, and dash are interchangeable.