fun vs twinge

fun

• To tease, kid, poke fun at, make fun of. 

• playful, often noisy, activity. 

• amusement, enjoyment or pleasure 

• Enjoyable or amusing. 

• Whimsical or flamboyant. 

twinge

• To pull with a twitch; to pinch; to tweak. 

• To have a sudden, sharp, local pain, like a twitch; to suffer a keen, darting, or shooting pain. 

• To affect with a sharp, sudden pain; to torment with pinching or sharp pains. 

• A pinch; a tweak; a twitch. 

• A sudden sharp pain.