a subversive colloquialism, often used by male friends or 'mates', to comment on the fact that one of the males has captured the interest of some third party, most commonly a sexually viable female

the act of beginning to fish, it can be fishing for fish, women or anything that you might be interested in catching at the time.

A term used to let others around you know their is a hot woman in the area. Only use this term if the woman is an 8 or above on a scale of 10. After yelling "Fish On" whoever sees this woman after you yelled it has to give confirmation by yelling, "Yea Buddy!". Women can help in search of a good catch. This works great for a work environment.

Someone who is on xbox all day.