To place ones finger up ones own arse for pleasureable reasons!
"Hey guys i just couldn't get off properly today so i did a Marky Mark...sorted me right out!"
October 22, 2007
To masterbate while releiving oneself of feceal matter.
"guys i was taking a shit and got kinda turned on so i bashed one out at the same time...god i love a darth maul!"
November 16, 2007