I'd get a soup plate and then slide the glass very carefully over to the edge of the table, and let the water run into the soup plate - it doesn't have to run onto the floor.

She slipped in crossing the road.

He slipped while crossing the street.

He was still mumbling something about hospitals at the end of the party when he slipped on a piece of ice and broke his left leg.

Now, just let the clay slide between your fingers.

This is a secret just between you and me, so don't let it slip out.

A slip of the tongue often brings about unexpected results.