Green’s Dictionary of Slang

froggy adj.2

also froggish

(US black) aggressive, belligerent, keen to fight, keen to start ‘jumping’.

[US]‘Iceberg Slim’ Pimp 136: The cocaine had me froggy.
[US]E. Folb Runnin’ Down Some Lines 44: You get labeled as too froggy [...] and are forced to do something about it.
[UK]P. Theroux Kowloon Tong 202: Hung was looking froggy and solemn now that the deal was on the verge of closing.

In phrases

feel froggy (v.) (also feel froggish)

(US black) to feel like fighting; thus the challenge if you feel froggy, then leap, if you want a fight, then let’s get on with it.

[US]‘SWAP Dict. Teen-age Sl’ in Ebony Mar. 98/2: If you feel froggish, take a leap: a term used when one boy dares another to fight .
[US]J. Wambaugh New Centurions 131: ‘Now, you [...] want to start something, we got enough help that’ll [...] take care of you and anybody else that decides to be froggy and leap’.
[US]E. Folb Urban Black Argot 141: If You Feel Froggish / Froggy (Take a) Leap a challenge to fight: ‘if you think you can beat me, come ahead’.
[US]E. Folb Runnin’ Down Some Lines 236: feel froggy Feel like fighting.
[US]R.C. Cruz Straight Outta Compton 26: ‘It’s going to be you and me if you keep talking,’ Flip said. ‘If you feel froggy, leap!’ shouted Rooster.
[US]F.X. Toole Rope Burns 217: Air Jordan danced toward him [...] ‘You goin jump froggy, huh? you goin jump?’.
US Congress: Investigation of Management Problems at Los Alamos National Laboratory 1410: ‘And I said to him – “Well, if you feel froggy, jump.” And he stood up and made a movement toward me and then I hit him in the mouth.’.