The verb of the noun "penis" meaning to engage in activities involving the male genetalia. Sentences involving this word are useful to relieve the monotony of tedious lessons, CCF exercises. Try exclaiming one of the examples below when everything is quiet.
Sir, tell Chris to stop penising me...
'Tis rather penising, is it not peaceful maiden?
Sometimes this place is just so penising.
I hear they've booked Chris for penising with intent.