1 definition by MasterofO

Top Definition
a supreme form of awesomeness, total ownage. also, can be used as its devised from irish culture as a fighting word"
"I just got O'Reganed"

"You wanna fight, cause I can O'Regan you"

'right now, me and you, O'Regan time"
by MasterofO April 01, 2009

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