Bummhummer 

A horrific blow job

I thought there was no bad blow job but Lola sucked my dick and it was a real 'Bummhummer'.
(same as a Hummbummer).

Bummhummer by 'Mr.Elektrek' June 18, 2016

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