standing on (one's) head

With very little or no difficulty; in a relaxed, carefree, or effortless manner. It took me a little while to get used to this job, but now I could do it standing on my head! You should ask Johnny for help—he does this level of math standing on his head.

Common Names:

Name	Pronounced	Usage
Fayza	-	Arabic
Rifat	-	Turkish
Jaroslav	-	Czech, Slovak
Erik	E-rik (Swedish, Norwegian, Danish, German), E-reek (Finnish), AY-rik (Dutch), ER-ik (English)	Swedish, Norwegian, Danish, Finnish, Czech, Slovak, Slovene, Croatian, Hungarian, German, Dutch, Eng
Arvel	-	English
Paulene	paw-LEEN	English (Rare)