(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 (such as trying to find others in hide-and-seek)
: one that is big and often important
Seen and Heard
What made you want to look up (it's) no biggie? Please tell us where you read or heard it (including the quote, if possible).