be all thumbs

To be uncoordinated or clumsy with one's hands. My mother does beautiful calligraphy, but I'm all thumbs—I can barely hold the pen!

Name	Pronounced	Usage
Gennarino	-	Italian
WitoŁD	-	Polish (Archaic)
Chantal	shawn-TAHL (French), shawn-TAL (English), shan-TAL (English), shahn-TAHL (Dutch)	French, English, Dutch
Fabiano	fah-BYAH-no (Italian)	Italian, Portuguese
Hand	[hænd]
Mcginnis	[mə'ginis]