1. Usually denotes an event or occurrence that was very memorable and enjoyable.
2. Can sometimes be used to show aggrevation over something preposterous
Girl - Yeah, last night was ridick!
Friend #1 - Yo, did you do the French homework?
Friend #2 - Um, no, who does she think she is giving us all that work. That teacher's ridick!
2. Oh my God! That's ri-dick!
3. Hold me back because I'm gonna go ri-dick on his ass.
4. This grade is fucking ri-dick.