Definition of "streaking"

The fad began with a lone male running naked across the Florida State University campus several weeks ago. Students on other campuses began streaking in pairs, then groups, and were joined by some coeds. Then it became a numbers game for the “national streaking title.”

1974 March 4, Hendrick O'Neil, “Streaking runs its course”, in UPIs 20th Century Top Stories (wire feed)

By February 1974, a fad labeled “streaking” had crystalized on scores of college, and even some high school, campuses across the United States.

1977 July, William Anderson, “The Social Organization and Social Control of a Fad: ‘Streaking on a College Campus’”, in Urban Life, volume 6, number 2, Newbury Park, California, page 221

Canadian Football League spokesman Shawn Lackie called streaking the “flavour of the day,” but added it's not a growing problem.

2003, Stuart Hunter, “Lions beef up security in wake of streakings”, in The Province, Vancouver, B.C., page A13