In this dictionary you can find common Yu-Gi-Oh! abbreviations and their meanings.
OTK - One-turn Kill - Reduce the Life Points of your opponent to 0 within one turn.
FTK - First-turn Kill - Reduce the Life Points of your opponent to 0 within the very first turn.
GY - Graveyard - Destroyed Monsters and Spell/Trap Cards go here.
ATK - Attack Points - Determines how much Attack a Monster has.
DEF - Defense Points - Determines how much Defense a Monster has.
OCG - Official Card Game - This is played in Asia.
TCG - Trading Card Game - This is played outside of Asia.
PSCT - Problem-Solving Card Text - This was introduced so players could better understand Card Effects. Meaning new Cards are printed with a Card text which is easier to understand and does not mislead players.