prat-fuck Share definition Flag A prat-fuck is the angry, rough screwing a guy gives to the tight, pink, puckered asshole of a hot young dude with a big dick who is a real prat. Some other cadets called me a prat, and they took turns giving me a prat-fuck in the cadet showers this morning! prat-fuck by eda-skip October 4, 2021 Get the prat-fuck mug.