A very tight grip on the end of your penis just at the moment of ejaculation, usually accompanied by a scream or grunt.
He had a choke strap on my cock that made it numb and I screamed with delight.
Opening up new pastures when the old one has gone all dry and barren. Usually refers to recently separated males with no front teeth.
When ma ol lady left me I just took hold of ma old fella and ploughed me some new ground with old Betsy Ross next door.