chitties is putting titties and chechies together. Somehow it sounds asfunny to hear as to say in place of either chechie or titties. Those all can be used for small boobies.
No more saying itty bitty titty committee, now let's use chitties. Chitties is the new way to talk about those lil boobiegirls walking around.
A sore and irritating condition localised to the face caused by an acutely stubbly man whispering politics in your mouth. Not uniquely localised to the 'upper' lips.