(it's) no biggie
Definition of (it's) no biggie
—used to indicate that something is not important or not a problem (chiefly US) “Sorry I'm late.” “No biggie. I'm not in a hurry.”
Word by Word Definitions
: the player in a game who performs the principal action of the game (as trying to find others in hide-and-seek)
: one that is big and often important
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