What to call some1 who calls u wifey (just for fun) ?

The lines of your "friendship" are becoming a little blurred I am afraid. Male Friends do not call their female friends wife & you are not exactly discouraging his behaviour either quite to the contrary you seem to like this despite all your protestations of seeing someone else and this particular guy being a player. Now how would you take it if your boyfriend had a female friend he called wifey but never called you that? Call him by his name and tell him to do the same if your being honest about just being friends.