tighten up

Verb

 * 1)  To make sufficiently tight.
 * 2)  To fix something or make it correct.
 * 3)  To become tense and restrained.
 * 4)  To become stringent and ungenerous.
 * 5)  To become focused and serious; To stop any vacillation or inconsistency.
 * 1)  To become stringent and ungenerous.
 * 2)  To become focused and serious; To stop any vacillation or inconsistency.
 * 1)  To become stringent and ungenerous.
 * 2)  To become focused and serious; To stop any vacillation or inconsistency.
 * 1)  To become focused and serious; To stop any vacillation or inconsistency.
 * 1)  To become focused and serious; To stop any vacillation or inconsistency.