2. someone who exemplifies sexism, by doing all he can to get into girls' pants
3. any male student of Claremont McKenna College
"I can't believe that guy just slapped your ass! What a Sketchy McSketchers!"
"I was at a CMC party, and I was groped like 47 times!"
"Well if it's Claremont McKenna, that explains it. The school is full of Sketchy McSketchers."