compulsive masterbater
A man or women who would be doing completely un-sexual thing such eating out at burger king and then in three seconds they'll drop their droors and start beatin their meat. Usually scaring everyone away, and in some cases end up arousing some perve.
"I wath eatin me a whopper, when out of thee blue the COMPULSIVE MASTERBATER dropped his drowerth and thtarted beatin hith meet and jizzed in mee fries!!!"