Shap = Shit + Happens. However, SHAP can be used in conjunction with other words or acronyms, like, Shapadoo, Shapadon't, Shapado etc. SHAP + anything is possible, like, Shapallelujah. The possibilities with SHAP are endless, so have fun.
Guy #1: Dude, my girlfriend just broke up with me last night.
Guy #2: SHAP!