no big deal

and no biggie

Inf. [of something] not difficult or troublesome. Don't worry. It's no big deal to wash the car. No problem. It's no biggie.

and no biggie and no big whoop

n. (something) not difficult or troublesome. (see also NBT.) Don’t worry. It’s no big deal. No biggie; no prob.

Name	Pronounced	Usage
Etta	['etə]
Dmitar	-	Croatian, Serbian
Oanez	-	Breton
Adcocks	['ædkɔks]
Buckley	['bʌkli]
DenİZ	-	Turkish