ham-fisted

Mane (Îngilîzî)

1. (informal) Lacking skill in physical movement with the hands; clumsy.
2. (broadly, informal) Lacking skill in general; incompetent.

Berevajî

dexterous, skilful, amateurish, bungling, clumsy, inapt, incapable, incompetent, inept, inexpert, maladroit, unable, unprofessional, unqualified, unskilled, unskillful

Hevwate

awkward

bumbling

bungling

butterfingered

ham-handed

handless

heavy-handed

left-handed

inept

botcher

slouch

powerless

helpless

clumsy

feckless

fumbler

Werger

maldestre

matusser

graponer

plump

unbeholfen

gaucher

maladroit

maldestro

log

lomp

onhandig

plomp

desengonçado

desengoçado

torpe

Wekî (IPA) tê bilêvkirin

/ˈhæmˌfɪstɪd/

Etîmolojî (Îngilîzî)

From ham (“thigh and buttock of an animal slaughtered for meat”) + fisted (adjective), probably referring to someone being clumsy as if they have hams at the end of their arms instead of hands.