If a driver is defending his position, he can't weave back and forth.

It began sniffing the air, its huge head weaving back and forth.

Then he started to weave back and forth, getting a little closer to the cliff's edge each time.

It wove back and forth too much to be normal high ground.

It took more than an hour to find his house, weaving back and forth along the flat streets.

He was doing a lot of weaving back and forth.

She was just weaving back and forth to the crazy music.

She spent the first act weaving back and forth in an effort to keep up with the action.

The others merely weaved back and forth, as if all control had been lost.

Cows didn't seem to be impressed with a man who wasn't able to stand without weaving back and forth.