cheeky fucker 

Someone who is sly but also brazen. They tend to talk or scheme behind your back then act friendly in other social circumstances

"Joe blogs has been trying to talk shit about me but has just liked my photo, cheeky fucker!"

cheeky fucker by Lyndsayjane69 March 15, 2016

cheek fucker 

A male with a very small penis who is unable to penetrate the vagina while in the flat doggy style position.

Jim was considered a safe date by all the Morman girls, he was a certified Cheek Fucker, and their virginity would remain intact.

cheek fucker by Happy Lucky Pipe Welder May 14, 2016