Similar to the phrase On Jah. Which is used to confirm you are serious in a situation. However, swearing on jahskellini is used on much more formal occasions for serious matters. Can also be used as a way to confirm something someone has said if asked as a question
Guy 1: "Nigga my grandma just fuckingdied"
Guy 2: "On jahskellini??"
Note: To be used only by a person who currantly has a coffee cake in his mouth.
Person A: "I am sick and tired of listening to people complain about being called fatties, dummies, boozers, losers, winos, tubbos, tokers, smokers and jamokers. Whatever the hell jamokers means."
Person B: "I was actually saying jokers, and I had coffee cake in my mouth."
a nigga with too much drip. he's got the sauce, more specifically the hot sauce. he pulls the baddest jawns. he'll tyb if need be. he loves his momma and hates it if anyone touches his silky. that's on Hatteras. he has fans all over, and is willing to take flics with anyone who gives him support, love and motivation. watch your mouth how you speak on his name, or he will pull up on you with his goons. you know his body, and he be in the weight room ode. a gentleman to women, a real nigga to men.