The story
- Japanese · derived fromシャブ“stimulant: amphetamine, methamphetamine”
- English todayshabu
Probably from Japanese シャブ (“stimulant: amphetamine, methamphetamine”), in turn possibly from the verb しゃぶる (shaburu, “to suck on something”), from the way that the addictiveness of the drugs sucks in the user.
Etymology from Wiktionary, CC BY-SA 4.0.