Carrying out desperate but successful last minute actions
Bankruptcy loomed, but we Callaghaned the deal.
by Evil G April 09, 2009
2 more definitions
"Hey Callaghan after your done eating your cornbeef and cabbage with that side dish of potatoes, wanna take some shots of Jack Daniels and chase them with Guiness?"
by Elyse C. June 17, 2008
A complete and utter dick.
Lily: "God! Your such a Callaghan!"
by DolphinEmoji March 30, 2015