jump on v.
1. to attack, verbally or physically, someone who is seen to have exposed themselves to such an assault by their behaviour or their weakness.
|F&H].Dead Sea Fruit v: When a wretched scribbler was, in vulgar phraseology, to be jumped upon, honest Daniel put on his hobnail boots and went at the savage operation with a will [|
|Lantern (N.O.) 1 Oct. 2: The idea of two big chaps jumping on one man.|
|Dagonet Ditties 77: Do not flog the brutal rough / Who jumps upon his wife.‘A Plea for Mercy’|
|No. 5 John Street 91: ‘Oh, go on jumpin’ on me,’ returns Low Covey.|
|World of Graft 84: There is probably a fair amount of crookedness in the Police Department, who is to be jumped on before such conditions can be changed?|
|(con. 1920s) Elmer Gantry 391: I’ll jump on the police for not having pinched these places.|
|Home to Harlem 47: They done jumped on me soon as I turned mah black moon on that li’l saloon.|
|Dark Hazard (1934) 154: She jumped on him for gambling and being irresponsible.|
|Bound for Glory (1969) 178: They quit jumping on me for two reasons: I’d beat the hound out of them, and the others wanted to ride on that motorcycle.|
|(con. 1950s) Whoreson 98: I didn’t want to jump on her.|
|Grease 97: Why you guys jumping on my number today? Just cause I laid it out on Sandy, don’t mean you got to get on me.|
|Central Sl. 32: jumped-on [...] An aggressive roughing up.|
2. see step on v.