Definition of pegging:
(n) :
(sex) The act of anal penetration of a man by someone, usually a woman, wearing a strap-on dildo.
(n) :
The act of fastening with a peg.
(n) :
Pegs collectively.
(n) :
The activity of artificial climbing on crags and in quarries outside the main mountain areas.
(n) :
Determined perseverance in work; pegging away.
(n) :
(dated) A thrashing.