As if Texas' football season couldn't get any worse -- a monkey belonging to Longhorns special teams coach Jeff Banks' GF is being accused of attacking a young trick-or-treater on Halloween ... but the woman says it's all the kid's fault.
A report late Monday night claimed the white-faced capuchin "seriously hurt" a boy during Halloween festivities ... with the monkey's jaws having to be "pried" open to free the child.
Banks' GF, Danielle Thomas -- AKA "Pole Assassin," a professional pole dancer once featured on "Jerry Springer" -- admitting something happened, but quickly defending her monkey .