Wiktionary
lead-footed
a. 1 Slow, boring, dull or stupid 2 Tending to drive too fast
Usage examples of "lead-footed".
And trying not to be trampled by lead-footed stumbler about without sense to bring light.
They had surely shepherded her into one of Mother Russia's countless huddles of squinting, lumpy, hopeless, grubbing ragbags - had surely made of my Helga a digger of root crops in frosty fields, a lead-footed, splay-fingered clearer of rubble, a nameless, sexless dragger of noisy carts.