English slang from the Westcountry where it means to eat noisily, greedily and rapidly without paying any attention to table manners, the quality of the food or the effect on other diners. The process is usually interspersed with grunts, belches and slobbering and would put a starving hyena to shame.
v. Yaffed (rhymes with laughed) use in place of fucked. Describes the general screwing up of something.
The word originates from the last name of an MIT professor who continually yaffes things up
n. yaffer: like a jack in the box, but is hideous and has two different ears. also can mean asshole
A word of exclamation to be employed when one is socially obliged to say something but isn't sure if he or she should respond positively, negatively or neutrally. When one wants to show something is notable but lacks infomation on what attitude to form about it.