Warp (verb)

1. To bend or twist out of shape, especially as a result of heat or damp.
2. To cause to become distorted or twisted out of shape.
3. To affect adversely, especially by distorting or twisting something.

Origin:

From middle english warpen, from old english wearpian ("to bend, turn, change"), from proto-germanic *warpaną ("to bend, turn"), from proto-indo-european *wer- ("to turn, bend").

Examples:

1. The heat had warped the plastic tray.
2. The boards had warped and needed to be replaced.
3. His mind had been warped by years of abuse.
4. The accident warped the metal bars.
5. The wood warped in the humidity.