(n.) One who toots; one who plays upon a pipe or horn.
Example Sentences:
(1) But nevertheless, as sex partners explain, there are many types of social and sexual exchanges taking place among shooters, tooters and squares, including but not limited to the exchange of bodily fluids.
(2) 'shooters' (intravenous) and 'tooters' (intranasal), both of which tend to exclude 'squares' (non-use).