Jamessurance
(pronounced Jame-assurance) A personal guarantee that Jameson Irish Whiskey will be available, poured, and enjoyed during a particular time or event; typically used as encouragement to gain one's attendance at said time or event.
Brian: Are you coming out afterwards?
Lisa: Meh. Not sure.
Brian: I can provide strict Jamessurance it will be worth your time.
Lisa: Say no more.
Lisa: Meh. Not sure.
Brian: I can provide strict Jamessurance it will be worth your time.
Lisa: Say no more.