Kip

/kip/ Origin: Unknown
(n) 1)Term used to describe a generally annoying individual who is oblivious to how abrasive they are. 2) A person who always has a better version of any storying being told. (See also "One-upper"). 3) One who possesses the innate ability to chew tobacco and drink coffee simultaneously at any time of day.
(v) 1) The act of walking into the middle of a group of people already engaged in a spirited dialog only to cause everyone to immediately dissipate effectively killing the conversation. 2) To screw something up without being aware or being able to take responsibility for any consequences. 3) To attempt to substitute a product of lesser value for personal financial benefit. 4) To irreparably screw something up.

(adj.) -ped: Term used to describe an act of someone exhibiting characteristics of a "kip".
(adv.) -ly: A manner of behaving poorly in the presence of other people but thinking you're being funny.

(n) That guy sure is acting like a Kip.
(v) You'd better leave. You're Kipping the whole office.
(adj.) Boy, you really Kipped that one up.
(adv.) I've never witnessed someone behave that Kipperedly before.