heavy-footed

heavy-footed  {adj.}

1. Slow and clumsy in walking or movement; awkward in using your feet.

The fat man tried to dance, but he was too heavy-footed.

Martha is not fat, but she is heavy-footed and walks noisily.

2. Awkward in choice and order of words; not smooth and graceful; clumsy.

In Mary's compositions, the words seem to dance, but John's compositions are always heavy-footed.

3. or lead-footed  {informal}

Likely to drive an automobile fast.

Jerry is a bad driver because he is too heavy-footed.

Compare: STEP ON IT.