careen (
http://definr.com/careen)
n : pitching dangerously to one side [syn:
rock,
sway,
tilt]
v 1: walk as if unable to control one's movements [syn:
stagger,
reel,
keel,
lurch,
swag]
2: move sideways or in an unsteady way, as of a ship or a
vehicle out of control [syn:
sway,
wobble,
shift,
tilt]