situational adjective meaning the mass expulsion of semen at a single time, such as durring a gang bang
oh man, that porno was CUMTACULAR
OMG! that cheesecake was so good, i nearly came in my mouth, it was cumtacular!
OMG! that cheesecake was so good, i nearly came in my mouth, it was cumtacular!
by Jean Semens November 7, 2007
Get the cumtacularmug.