relevantastic 

something, quite easily that is a mixture of relevant to a conversation or situation. whilst also being fantastic

"hey jim, that girl you raped is mute and can only give testimony through sign language"
"yes...And?"
"well, if we cut of her hands she'll not be able to give her testimony and you could get off scott free"
"holy heck phil, thats relevantastic

relevantastic by Patrick McKiernan April 7, 2008