look up any word, like kappa:
 
1.
Like titty fucking, except for with the butt cheeks instead of titties
I tried to put it in my girlfriends butt but she yelled at me and so I gave her the moist bill instead.
by Slam Bam Horny Man July 29, 2007
 
2.
When you make love to the butt cheeks without actual penetration.
We didn't have a condom so we did the next best thing..the moist bill
by william ferguson June 28, 2007