STP

n.
Street Team Points
Credits of 1.50 for threadless.com given when a user refers new users to the site.

Also commonly used as a verb

Glennz on Sep 14 '07 at 10:47pm
Hey, did you get those STP's?

Arzie13 on Sep 14 '07 at 10:50pm
Nope, sorry. STP me again

by EL dot TEE dot September 16, 2007