Notches down the spine of a blade created to provide grip on a knife beyond the bolster. Many knives, especially pocket knives, have very shallow or widely spaced non-functional notches that are used solely for aesthetic purposes.
A combination of "Jimp" and "simping" where Jimp means Jizzing in my pants and simp is to fawn over someone without anything in return: to be so excited and happy for something/someone that you could jizz in your pants
Jimping is the act of jumping up while jipping. When a male reaches the point of orgasm and is about to cum he jumps up to get an adrenaline rush as well as the pleasure of ejaculation!