To discover or find something by accident.
To meet somebody by chance.
To show up; to appear suddenly or unexpectedly.
To cause to appear; to find by searching, etc.
To increase the amount of something by means of a control, such as the volume, heat, or light.
To reposition by rotating, flipping, etc. upwards.
To party hard, especially when involving alcohol or drugs.
To belay or make fast a line on a cleat or pin.