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
Rosita	ro-SEE-tah	Spanish
Nanuk	-	Native American, Inuit
Anouska	-	Various
Taide	-	Italian (Rare)
Leesa	LEE-sə	English
Fedot	fye-DOT, fee-DOT	Russian