how badly one failed, in terms of a 1-10 number system
"So how badly did Bryon trip?"
"I'd say it had a failitude of 6; 8 if you include the fact that his head hit the wall."
the measurement of the amount of fail that one has performed, or has been performed on you; typically can only reach a certain amount of failitude per day
"Did you hear what happened? Bryon totally tripped and face-planted into the wall!"
"Wow...that one action just made him hit max failitude for the day."