If Some Please Explain To Me What Stab Moves Are?

Quick answer:

STAB is an acronym that stands for Same Type Attack Bonus.

Whenever a Pokemon uses an offensive move that is of its own type, it receives a x1.5 attack bonus to that move's power. For example, a Reuniclus using Psychic would get a x1.5 power boost to that attack, but if it used Shadow Ball it would receive no such bonus. This also applies if the Pokemon is dual-typed; Starmie receives STAB if it uses Water- or Psychic-type moves (such as Surf or Psyshock).

The ability Adaptability (known by Porygon-Z, Eevee, and DW Feebas) changes the STAB bonus from x1.5 to x2. However, Porygon-Z's the only noteworthy Pokemon that gets it. For example if Porygon-Z w/Adaptability used Return, it would get a x2 STAB bonus (instead of a x1.5).

A little extra:

Moves that do set damage, such as Dragon Rage and Seismic Toss, do not receive an STAB bonus. So a Gible using Dragon Rage will do 40% damage, no 60%. Also, stealth rock doesn't receive an STAB bonus either; how much damage it does purely depends on the Pokemon it hits. Having a rock type use Stealth Rock doesn't boost its power. Same with spikes.

Some people think Normal types don't give STAB. They do; this includes moves like Explosion and Hyper Beam. So a Tauros using Hyper Beam will be effectively using a 225 power attack. Skitty and Delcatty have the ability Normalize, so all of their attacks become the normal type. That means they all receive STAB.

I've got to learn to more carefully read the subjects. At first I thought the question was "What are stab MOVIES" ... I was going to reply with a description of "slasher" movies.

But the info on the STAB moves was very good. Thanks guys.