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

From STEM, an abbreviation short for "Science, Technology, Engineering and Mathematics", a STEMlord is a pejorative term for a particular kind of person who has studied in these areas at university or works in these fields who holds a pretentious, condescending attitude to anyone who has studied in any other fields, particularly the Arts and Humanities. They typically believe themselves to be more "intelligent" and "rational", while generally remaining incredibly ignorant outside of their areas of expertise and having the charisma of a rotting pig's backside.

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.