Definition of cheesing:
(n) :
(uncountable) A dairy product made from curdled or cultured milk.
(n) :
(countable) Any particular variety of cheese.
(n) :
(countable) A piece of cheese, especially one moulded into a large round shape during manufacture.
(n) :
(uncountable, colloquial) That which is melodramatic, overly emotional, or cliché, i.e. cheesy.
(n) :
(uncountable, slang) Money.
(v) :
(slang) To smile excessively, as for a camera.