Way to inject drugs inducing rush (4)
I believe the answer is:
reed
'inducing rush' is the definition.
'reed' can be an answer for 'rush' (plants found by water). I'm unsure of the 'inducing' bit.
'way to inject drugs' is the wordplay.
'way' becomes 'rd' (short for road).
'to inject' indicates putting letters inside (inserted letters are injected).
'drugs' becomes 'ee' (an abbreviation for ecstasy written twice).
'rd' going around 'ee' is 'REED'.
Can you help me to learn more?
(Other definitions for reed that I've seen before include "Grass of marshy land" , "Instrument; tall grass" , "Oliver perhaps" , "oboe part" , "Tall grass that grows in swamps" .)