get it clapping
v. phr.— «The women said they asked Porter why he had his hands in his sweatshirt pocket and that he said “this is why” and pulled out a small silver handgun. Porter allegedly told the women, “I’ll get it clappin’ in here,” which is slang for starting shooting.» —“Officer Reaves” by Lindesy Roberts WVEC-TV (Hampton Roads, Virginia) Mar. 1, 2007. (source: Double-Tongued Dictionary)