Simple past tense and past participle of befoul.(verb)
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Use "befouled" in a sentence
"One of the notes stuck into abandoned dog mess by the mysterious Pooperman, current scourge of Lincoln's befouled streets."
"And indeed — though I now know that Allah is everywhere and in all things — there were times when the distance between Allah and I seemed so great, so impassable, that I thought my prayers at salat were lost in the hell-red, befouled city sky, diverted from Mecca and stolen by nefarious djinn."
"And should he choose to be a father one day, please give to him the age-old experience of wrestling his own infant son on the changing table, all at once getting headbutted by this pudgy Tasmanian Devil who has now befouled four diapers and smeared feces on the wall because he WILL NOT JUST F%#KING LIE STILL, and being more in love with this mini Genghis Khan than he ever thought possible."