An acquired belief that an individual or group of people has a reputation of raping others at a party, a dark alley, or in their mom's basement; usually this is done due to an individual's small-penis complex or just lack of game with the opposite (and sometimes the same) sex.
1. "Hey, do you want to go to a party at Sigma Nu?"
'No way in hell! Those guys have a high rapeutation on campus'
2. I left prison with quite the rapeutation.