this act is perfomred by taking a pvc pipe and inserting it into a woamns rectum. after the piping is sufficiently buried in her asshole, slide as many micromachine cars down the tube.
i gave this ho a singapore subway last night. she is not going to shit right for a month
by matt sommers April 05, 2005
The act of sliding micro machines down a paper towel tube into another person anus
Tim: Hey i am bored do you want to try a Singapore subway

Jill: We are all out of micro machines, if you wait an hour i might be able to pass the ones from last time
by Kevin Getzewich August 28, 2007
When you stick a pvc pipe down a girls ass and run micro-machines down it
I saw a deek in my front yard so i took a Singapore Subway to his ass.
by [e]SniperWolf May 25, 2003

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