perk up

Verb

 * 1)  To become more upright
 * His ears perked up when he heard there would be ice cream.
 * 1)  to become more lively or enthusiastic.
 * 2)  To cause to be more upright, straighten up
 * 3)  to cause to be more lively or enthusiastic.
 * 4)  To exalt oneself, take on a higher status or position.
 * 1)  to cause to be more lively or enthusiastic.
 * 2)  To exalt oneself, take on a higher status or position.
 * 1)  to cause to be more lively or enthusiastic.
 * 2)  To exalt oneself, take on a higher status or position.
 * 1)  To exalt oneself, take on a higher status or position.
 * 1)  To exalt oneself, take on a higher status or position.
 * 1)  To exalt oneself, take on a higher status or position.
 * 1)  To exalt oneself, take on a higher status or position.