to masturbate
to mess or muck (about, around etc.)
to fuck; to have sex.
to make a temporary alteration to something, to fudge, to manipulate
A temporary modification to a piece of equipment to change the way it operates (usually away from as originally designed).
A fuck.
An act of frigging.
Dated spelling of fridge.
To use a snorkel.
A snorkel parka.
A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth.
A hollow tube, held in the mouth, or mounted on and opening into a diving mask, used by swimmers for breathing underwater.