Lets start:
If you rolled a . . .
1) You're keeping your clothes on. Pull you dick out and get it hard with two fingers.
2) Strip down to your underwear and rub your dick until you get a wet spot.
3) Get naked and hard.
4) Slap your dick till its hard.
5) Take all of your clothes off and roll again.
6) Do a striptease and get naked.
Roll again, and continue.