Nickelodeon's inaugural awards show airs live Thursday night. By Kimberly Nordyke Managing Editor, Digital Nickelodeon is bringing the slime out once again — but this time, athletes are the target.

In less than a year, Alyssa Jagan, a high schooler in Toronto’s east end, has amassed well over half a million Instagram followers by sharing videos of, well, slime. In her strangely mesmerizing posts ...