hibernates

dozes, estivates (also aestivates)

bums, chills, dallies, dawdles, dillydallies, drones, footles, goofs (off), hacks (around), hangs about [British], hangs (around or out), idles, kicks around, kicks back, lazes, lazies, loafs, lolls, lounges, vegges out (or veges out)

fiddles (around), fools, messes, monkeys, mucks, piddles, plays, potters (around), putters (around), trifles

lags, lingers, loiters, pokes, relaxes, rests, sleeps, tarries

furloughs, goldbricks, malingers, truants