Origin: Conan 11/09/10. TBS.
Bill: What's a Tokyo Sandblaster?
Joe: certainly it is a very, very dirty sex act of which we are not aware, but amused in a way I haven't felt since....since.....junior high!
The origin of the phrase is uncertain, and again depends on the region. In Japan, and surrounding areas, the term Tokyo comes from the use of the subway system as a venue for the sexual act. Outside of Asia, the term "Tokyo" is alleged to have originated from the way a girl will squint (making er look Japanese) in anticipation of ejaculation.
alt. Me, Chang, and Raichu took Misty-Wei down to the Hedeki Station, made her pay for our fare, and then pulled a Tokyo Sandblaster on her.