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 perforate with a trephine.
To use a trephine during surgery.
A surgical instrument with a cylindrical blade used to remove a circular section of tissue, f.e. bone or cornea; a trepan.