dirty city italian.mainly from the nyc,long island,north jersey area.signs can be a blowout, gold cross, or wifebeater.most of the cast members of the sopranos are d.c.i's.
An acronym for one of the great laws of the universe,"Don't Eat Cookies In Bed." This is a good law to follow seeing that a bed of cookies makes and uncomfortable sleep.
Kid:(brings cookies into bedroom)
Mother:"D.E.C.I.B"
Person1: "That was a crappy sleep"
Person2: "D.E.C.I.B"