Talk:Teemo/@comment-3450702-20110227053821/@comment-3093341-20110227100050

If you check the table above you can see that the skill has 2 parts of description (on the right) - one is "Magic Damage on hit" and the other one is "Magic Damage per second". This means that every attack will deal the first part of DMG - on hit AND refresh the 4 second timer for DMG per second.