Something that is sharp or pointy can represent:
- A perceived physical, mental, or emotional threat in your life
- The idea of intruding on your personal boundaries or space
- The idea of piercing, breaking through, or having a personal (positive) breakthrough in your life
- The idea or threat of a puncture or hole in something, allowing something to escape (such as to let a secret get out, or to "lose steam" or momentum)
See also the meaning of the object itself.