To walk unsteadily
To lean suddenly, unsteadily, and erratically from the vertical axis
To move or cause to move with a sudden abrupt motion
A sudden motion, such as a pull
leave in the lurch
The ground gave way under her foot, and with a sickening lurch of her heart, she plunged downward.
She watched Pete's bowlegged figure lurch back to his wagon.
Certain avenues of revenue may have dried up, leaving you in a bit of a lurch wondering how to pay those bills!
This was especially true when millions of sub-prime mortgages went sour, since it put more than a few international banks in a lurch.
Schedules and priorities can change in a flash, and well-meaning friends may not always be able to follow through on your pet's care as planned, leaving Fido in a lurch.