Top Definition
Leaving work early.
S4E5 of "The IT Crowd", Moss got very excited because he and Roy were bonking off.
by Pegasus Epsilon December 11, 2011
5 Words related to bonking-off
Term for masturbation in the UK.
When she accidentally opened the bathroom door, she found her boyfriend bonking-off.

yeah, I'm used to bonking off in bed every morning and every night.
by stsebastian November 28, 2009

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