Definition of "shoot up"
shoot up
verb
third-person singular simple present shoots up, present participle shooting up, simple past and past participle shot up
(intransitive, transitive) To inject (a drug) intravenously.
third-person singular simple present shoots up, present participle shooting up, simple past and past participle shot up
(intransitive, transitive) To inject (a drug) intravenously.