sham·ble 
(shămbəl)
(shămbəl)intr.v. sham·bled, sham·bling, sham·bles
To walk in an awkward, lazy, or unsteady manner, shuffling the feet.
n.
A shuffling gait.
[Probably from obsolete shamble, awkward, ungainly, from Middle English schamil, butcher's table; see SHAMBLES.]