A fork of Rural Dictionary
something exciting or profound.
"what a great movie!" "yes, it was barnstorming!!"
reference to a cool item of clothing, somthing that someone has done that is particularly sound, or anything you want it to mean. it comes from the BENglo-Saxon word 'Slah-pin' which means "cradle of the dusty rat".
d00d, that is totally fuckin' slappin!!