The space between your asshole and ball sack. It is a combination of the words space and anus; Thus representing the two most important words from the aforementioned sentence.
Dude last night that whore Roxanne was giving me a rim-job while simultaneously tickling my spanus.
this is usually the last name of amazing fun loving people that are usually very attractive and love to goof off,but they can take things very seriously....like sports ...they are usually very athletic and competitive