Related Clues:

• Dimwit’s stupefying drug
• ''Inside'' stuff
• Engage in sport or cheat at it
• Inside information (informal)
• Information English school turned up
• "Sick!"
• ... drug quietly injected by female
• Administer drugs to improve one's athletic performance
• One is a fool to take exercise
• Work out info
• Neat, in slang
• "How awesome!"
• Intelligence exercise
• Aircraft varnish — work into wings of drone