Bumming

[Renato]

[The act] of [anal intercourse].

[Raeanne Dimick]

When followed with around, used to mean [procrastinating], or acting lazy and not doing anything.

To engage in [anal intercourse].

To get something by begging, or [mooching].

[Becky]

Anal sex. When a man inserts his cock into another mans ass and fucks him until he [shoots] his [load up] [the mans] ass.

[Zipporah Schumaker]

[borrowing] [something] from [someone else]

[Luis Fok]

n. Brit. working class slang for anal gay sex, becoming archaic since 80s with more informed society. Usually used with amusement, not prejudice, typically by people naturally tolerant but less informed about gay life. (Middle classes and [prejudicial] people would typically avoid slang, sometimes to avoid being seen as <[italic]>not</italic> [prejudiced] by a homophobic listener to gain approval.

[Michiko]

To [get shagged] [up the bum].

[Tina]

[Sitting on] [your ass], [procrastinating].

[Tanya Shivari]

[Taking it] up the [dirtbox] for sexual kicks, usually with a group of masturbating masked men looking on and [stroking] their meat!

[Gregory]

a) practice of getting good sticking from [your best] [boarding house] buddy
b) [borrowing] an item
c) borrowing a practice of sticking...

[Tracie Lynn]

present participle of bum slang