The first person ever to be slimed at the KCA 's was Lakmini Besbroda , when co-host Matt Nespoli tricked her into saying " I do n't know " after asking who she thought would win the night 's big award at the 1987 show . The most recent person to be slimed at the KCA 's was DJ Khaled , as he closed the 2019 Kids ' Choice Awards and triggered " The Final Slime "
2019 Kids ' Choice Awards
2019 Kids' Choice Awards
Nickelodeon Kids' Choice Awards