Definition of blow-gun:
(v) :
(intransitive) To produce an air current.
(v) :
(transitive) To propel by an air current (or, if under water, a water current), usually with the mouth.
(v) :
(intransitive) To be propelled by an air current.
(v) :
(transitive, figurative) To direct or move, usually of a person to a particular location.
(v) :
(transitive) To create or shape by blowing.
(v) :
(transitive) To force a current of air upon with the mouth, or by other means.