sharpie

(noun) an alert and energetic person. Synonyms: eager beaver, busy bee, live wire, sharpy.

(noun) a professional card player who makes a living by cheating at card games. Synonyms: cardsharp, card sharp, cardsharper, card sharper, sharper, sharpy, card shark.

(noun) a pen with indelible ink that will write on any surface. Synonyms: Sharpie.

(noun) a shallow-draft sailboat with a sharp prow, flat bottom, and triangular sail; formerly used along the northern Atlantic coast of the United States.