Definitions of prick:

• noun:   the act of puncturing with a small point

  Example: "He gave the balloon a small prick"

• noun:   obscene terms for penis
• noun:   a depression scratched or carved into a surface
• noun:   insulting terms of address for people who are stupid or irritating or ridiculous
• verb:   cause a stinging pain

  Example: "The needle pricked his skin"

• verb:   to cause a sharp emotional pain

  Example: "The thought of her unhappiness pricked his conscience"

• verb:   cause a prickling sensation
• verb:   prod or urge as if with a log stick
• verb:   make a small hole into, as with a needle or a thorn

  Example: "The nurse pricked my finger to get a small blood sample"

• verb:   raise

  Example: "The dog pricked up his ears"

• verb:   deliver a sting to