Im sure it hurts at least for a while, and you can't talk right for a while, and it could either be a turn-on or a turn-off to some people, but its up to you. If thats ok with you, go for it. Theres pros and cons.
Most piercers consider these crippling and dangerous to the point of being unviable piercings. Most of the people who have done vertical piercing complained about slurred speech, eating problems, biting down on the jewelry, a long healing time and a lot of pain.