flirtomaniac 

Someone who flirts with way too many girls at once. Similar to a fuckboy, but he does not get any girls.

Hey bro, did you hear Kavin flirting with Grace? Oh yeah, hes a flirtomaniac

flirtomaniac by Uhmuhn October 25, 2015

Fistomaniac 

Someone who is addicted to the act of being fisted.

Bryan and Colin are the biggest fistomaniacs I know! Oh girl!!!!

Fistomaniac by Roughbuff November 14, 2004