Warrior General Games

When I was new to games and didn't know the lingo, I've always found threads like this helpful... Going off of the top of my head, so If I missed any let me know.

Bot - Simulated Player
Buff - the process of strengthening an aspect of the game for balance
Chem - Chemistry
D - Defense
DAG - Dogs All Go (was a very powerful defensive play in the early game meta)
DC - Defensive Coordinator
Dot - Simulated player (GLB1)
ELO - A rating/ranking system named after Arpad Elo
FB - Fullback
GG - Good Game (universal)
GL - Goal Line or Good Luck
GP - Gameplan
KO - Kickoff
LHF - Low Hanging Fruit (minor changes)
MO - Middle Overload (defensive play)
Nerf - the act of weakening an aspect of a game for balance
NGH - Never Gonna Happen (for the US southerners)
NGTH - Not Going to Happen
NT - Nose Tackle or No Thread
O - Offense
OC - Offensive Coordinator
OP - Over Powered or Original Poster
PB - Playbook
PD - Passes Defended
S## - Season # ex: S13 = Season 13
S* - Superstar
SA - Special Attribute
SP - Skill Point
SS - Super Star (rare)
ST - Special Teams
Stick - A solid tackle that knock a player off of their feet (defensive stat)
STC - Special Teams Coordinator
Toon - Simulated Plater Player
TFL - Tackle for Loss

ZEB - Zero Edge Blitz (a popular blitz especially at lower tiers) (since you included DAG in the above list)

SS also means strong safety.

Off = Offense
Def = Defense

DC is also used for depth chart

QFT - Quoted For Truth...noobs always think it's quit f*cking talking and get butthurt.