(adj.) a word used to describe anything awesome, rad, ballin, hot, or sexxy; anything that makes you smile
Derived from the name of the chillest man i know, Ryan Dunleavy. Mad boss.
Dude, that five year old just said he loved titties... that's so Dunleavy.
T-Money is way Dunleavy, look at him feelin up all them womens.