Warwick + Shaco knockup? [Client-side]

I just got a client-side bug while playing against . as I Q'd onto him and he Q'd away, my computer got the impression that I had disappeared (only to descend from the sky about 10 seconds later). I didn't record at the time, and when I went into replays, it showed nothing had happened to me at all, just a fear and slow from shaco W.