The attitude that usually accompanies gingers. This comes from the pent up gingerness, usually expressed as sassy anger.
It is not associated with either sex in particular, but can describe the special times in a girl's month.
Non Gingers can posses Gingertude but only briefly when the red mist descends.
"Watch out, Phil will be back on Monday, he will bring a months worth of gingertude with him."
"Man I had to go the the pub last night, she had such a gingertude."