Chris —, former Tottenham Hotspur, Newcastle United, Sheffield Wednesday and England footballer; Burnley manager from 1997-98 (6)
I believe the answer is:
waddle
(Other definitions for waddle that I've seen before include "Walk with clumsily swaying motion" , "Walk like duck, fat man" , "Walk duck-fashion" , "get moving, if somewhat slowly" , "Duck-like walk" .)