Whis·tle (wĭs′əl, hwĭs′-)
n.
The unit of measurement for kratom dosage. A "whistle of kratom" or simply a "whistle" is a moderate dose of kratom that is equivalent to
approximately 2.5-3 grams of powdered kratom. The slang is mainly used in the Midwest and West of the
United States. The term has been said to originate from a technique of powdered kratom ingestion which aims at reducing the tasting of the powder. A whistle is a dose that makes for a successful ingestion of the drug using this technique without feeling the strong taste or smell of the kratom. Such an
administration is "clean as a whistle", hence the name.
"Hey,
have you ever tried the red vein strain?"
"Never, hand over a couple whistles of it"
"Man I got that nasty kratom taste on this one..."
"Dude, you did
more than a whistle."
"David, have you been
digging in my kratom?"
"No man, I mean I had like half a whistle earlier..."