if you don't have time for a shower, get a wet wash cloth, towel, paper towel or some similar thing and give it a wash..nothing to worry about, though you may notice an odor after a while which maybe noticeable by those around you...
and the first time you pee thereafter you may be in for a surprise whit it going everywhere but where you want it to go (assuming you want it to go in the toilet).
Jim
like a shower?..bath?... just go to the sick and wash your penis?.... so after your finished and you came, you just leave it there?
do you clean yourself after?