boot
v.— «Sean Anderson told police that he and his wife had been injecting cocaine for two days and took a final shot just before they left the car and entered the woods. The process is known as “booting,” which is slang for injecting.» —“Albion couple accused of abandoning toddlers” in Belfast Bangor Daily News (Maine) Jan. 25, 2006. (source: Double-Tongued Dictionary)