2 definitions by cyan

Top Definition
A thumbprint is a method of consuming a massive amount of lsd, where a massive (relatively, compared to a blotter dose) amount of lsd crystals are made into a small pile, pressed on with a thumb, and then the thumb into the mouth.

A thumbprint is, despite the large dose is not at a high enough level to reach levels of toxitiy in the human body.
When's the last time you had enough lsd crystals to thumbprint, eh?
by cyan April 24, 2005
Webpages created merely to test the system, on freely editable websites such as wikis (or this site for that matter)
This entry is a newbie test.
by cyan August 29, 2003

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