I don't replay to much but madmans sometimes involve the dming of yourself but ukebashings usually only dm uke, keep in mind this is only using information from replays i have watched. I do not know if this is true or false.
The Future is Bulletproof
"How r people still in jail? Just make alts lol" -Wizard
I think that ukebashing is any replay where you dm uke whereas a madman is a replay where you got 5+ dms on uke.
in addition, the definition of madman seems to vary from person to person (a few times i heard some people say that it was 3+ or 4+ dms) but the general opinion is 5+