When you have to masturbatebased purely on your imagination, with no porn of any kind. Often used by 12 year olds in dark rooms who have no access to porn, a raging boner, and only the searing memory of seeing up a girl's skirt in school that day.
On a fishingboat, one of the three common grades of baiters (those who handle their little fish in hope of attracting a bigger fish).
When I first started this job, I was just an Apprentice, but after long years of conscientious study and hard work, I made it to Journeyman. Now I'm studying hard and trying to work my way up to MasterBaiter!