1 definition by slicesliceroflknife
a person who stops you getting close/hot/freaky/flat/sex with someone else; they always seem to turn up as things are about to get interesting.
jay: hi, Emily, whats up
Emily: come closer jay I'm cold
(jay puts arm around emily)
george walks up hi guys can I chill with you for a bit
jay: get lost you prone blocker
Emily: come closer jay I'm cold
(jay puts arm around emily)
george walks up hi guys can I chill with you for a bit
jay: get lost you prone blocker
by slicesliceroflknife October 27, 2008