Idiom Definition:
"to rest on your laurels"
to rely upon past achievements and successes and not continue to work to achieve new things or new successes
Synonyms:
deferral, depression, doldrums, dormancy, ennui, fecklessness, idleness, inactivity, indolence, in-inertia, inertness, lassitude, lethargy, passivity, quietude, stagnation, stasis, suspension
This fellow is literally
resting on his laurels. - - - - ->