Bum Gummer 

The act of receiving fellatio from a toothless destitute.

I've got two bucks and a bottle of Night Train. Time to go down to skid row to cruise for a bum gummer

Bum Gummer by MaggotLord October 11, 2009

bumcummer 

1. One who enjoys cumming in bums, either male or female

2. A cool yet douchebaggy person at times

"Tyler is such a bumcummer, him and his girlfriend do anal all the time"

bumcummer by Lil' Jizzer June 6, 2014

bumhummer

Anal pleasure, much like that of oral sex.
Commonly used as a softer sounding word than "Tossed Salad".

"I had to give Bubba a bumhummer in the cell last night because I was all out of smokes"
"Honey, come give me a bumhummer, I love you."

bumhummer by Adam L. May 13, 2005