Verb (common spellings: "While Up", "Wil' Up)
To contribute, engage in, or initiate a 'next level' party atmosphere at any/all social gatherings (eg. BBQ, wedding, pub, club, etc.) Term originates from a UK born gentleman (Guyanese decent) residing in the Greater Toronto Area. Actions associated, not exclusively, are usually of a sexual nature, sometimes provocative, but usually well intended and fun natured. It can be part of overall lifestyle or specific to a particular calendar event.
"You coming to Jerry's party?"
"All the time, time to while up, guy"
"When this soca session ends, we while up big time"