maunder

bat, cruise, drift, float, gad (about), gallivant (also galavant), kick around, knock (about), meander, mooch, ramble, range, roam, rove, traipse, wander

blather (on), go on, ramble, rattle, run on

beef, bellyache, bitch, bleat, carp, caterwaul, complain, crab, croak, fuss, gripe, grizzle, grouch, grouse, growl, grumble, grump, holler, inveigh, keen, kick, kvetch, moan, murmur, mutter, nag, repine, scream, squawk, squeal, wail, whimper, whine, whinge [British], yammer, yawp (or yaup), yowl