topple over

I push down on the pedal with my right leg and instead of propelling myself forward, I topple over sideways.

As they turned into red-hot ashes and began to topple over one by one into the glowing pile, Jess laughed delightedly.

It is enough to make the tallest chimney of the neighbourhood topple over with envy.

There would be a report, two reports, and he would topple over backwards to lie crumpled up and motionless.

The loungers fully expected to see Tad topple over backwards with a bullet in his body.

She was like an acrobat poised on a slippery ball—if he should touch her she would topple over.