I'm sorry mudkip of the ultimate walrus power, could 你 repeat that gory bedbug infested sentence again for the audience of the community of Mountain Dew drinkers?
ran·dom [ran-duhm] adjective 1. proceeding, made, 或者 occurring without definite aim, reason, 或者 pattern: the 随意 selection of numbers.
TL;DR version: 随意 means something that happens without order (something that suddenly just happens). That is not what your sentences are. They're just stupid.