Definitions of coy:

• adjective:   affectedly modest or shy especially in a playful or provocative way
• adjective:   modestly or warily rejecting approaches or overtures

  Example: "Like a wild young colt, very inquisitive but very coy and not to be easily cajoled"

• adjective:   showing marked and often playful or irritating evasiveness or reluctance to make a definite or committing statement

  Example: "A politician coy about his intentions"

• name:  A male given name (rare: 1 in 10000 males; popularity rank in the U.S.: #693)
• name:  A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2526)