[Q]: Objective: tack
[A]: damage twig

[Q]: Objective: how to make nail polish last longer
[A]: apply a clear coat to your nails

[Q]: Objective: to boo a comedian off stage?
[A]: to show disapproval of thier material

[Q]: Objective: How can I get my facial hair to be shorter?
[A]:
Take a razor and stroke off the hair, after washing your face with warm water and applying shaving cream or gel.