Tooth Paste Leech

a person who brings a tooth brush places but does not bring tooth paste, expecting others to lend them some... they will never contribute any tooth paste unless you stay at their house

Person 1: I'm gonna brush my teeth before I go to sleep
Person 2: K
Person 1: yea, but i forgot my tooth paste. Can I use some of yours?
Person 2: Sure... *under breath* tooth paste leech....