quintfecta
n.— «Several years ago, one of the regulars on this newsgroup (Ron Medley? AsiaSunset?) dubbed the 1600 + 800+800+800 achievement the “quintfecta.”» —“Re: SAT Scores and College Admission” by Gary Glen Price in University of Wisconsin-Madison Usenet: soc.college.admissions Nov. 28, 1999. (source: Double-Tongued Dictionary)