Should I tell him to back off?

I always heard people say if a guy like you they show it by flirting or
touching you, like grab your butt & rub your back. this guy did it to me
and asked him if he liked me and he said no & I dont like him like THAT. />

now I dont know if he is lying...

or he is just doing it for his own pleasure
and I dont know what to do.

should I tell him to back off or what?

If you don't mind it just let it be but just try not to flirt back seeing as you don't want to give him the wrong impression! But if you are at all uncomfortable gently tell him to back off or just kinda like move away from it slyly. You don't want to be too harsh!
Hope this helped x

well if you like it then just keep on lettin him do it but if you dont tell him to back off and if he dont smack him a couple of times but if you like him you should 'make sounds' like whoo or oohh you know like in a sensual way every time he does it but other than that just do what you think you should do, Hope this helped!

well well well .uhmmm some men are leeches they do these things .if you dunt like it tell him if he still does it you know where to hit him riteee? he would never mess with ya again ...

if you don't like it, and you don't like him, don't let him do it.