To depart or head off in a heavy, plodding, and ungainly manner. I stood completely still until the bear finally lumbered off. The drunken sailor slurred some incomprehensible insults before lumbering off toward the bar.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
to move or lope away heavily and awkwardly. The frightened bear lumbered off, and we left in a hurry. He lumbered off, leaving us there alone.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.