Definition of "Katycat"

This new documentary shows Katy Perry's genuine affection for her followers — she does daily meet-and-greets — so it is no surprise that “Part of Me” is geared toward pleasing her Katycats.

2012 July 8, “‘Katy Perry: Part of Me’”, in Metro‎, Philadelphia, page 9

There's a very dedicated fanbase of Katycats waiting for this album […]

2013 October 2, Ashley Winward, “Ashley's Top 5: Anticipated Releases”, in The Charger Bulletin‎, volume 95, number 5, University of New Haven, page 15

Despite playing two sell-out gigs at the Odyssey in front of tens of thousands of her screaming, adoring Katycats, LADY GAGA has taken a side swipe at the I Kissed A Girl singer, accusing her of stealing her style.

2014 May 11, Kim Kelly, “Katy's Far Too Ladylike”, in Belfast Telegraph‎, archived from the original on 21 April 2016