| 1. | to break or fail, as a machine or engine (often fol. by out): The engine conked out halfway there. |
| 2. | to slow down or stop; lose energy (often fol. by out). |
| 3. | to go to sleep (usually fol. by off or out). |
| 4. | to lose consciousness; faint (usually fol. by out). |
| 5. | to die (usually fol. by out). |

Slang.| 1. | a method of chemically straightening the hair. |
| 2. | a hairstyle in which the hair has been chemically straightened and sometimes set into waves. |
| 3. | to straighten (kinky hair) by the use of chemicals: to have one's hair conked. |

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conk
and konk
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