This is the way to talk in game without spelling full words, you can also use the short versions of these words in other games too.

Good Game - gg (I suggest you use this after every fight.)
Lucky Game - lg (only use this if you lost or another person lost to a glitch)
Oh My God - omg (I suggest you not caps this in a tourney.)
No Da - nd ( note: nd and also mean and, depending on the sentence)
What - ? or wat
Thank You - ty
No Problem - np
Be Right Back - brb
Got To Go - gtg (dont try to shorten this to gg, or else they will think of good game)
You - u
Me - mi
So Annoying - S.A.
lol - Laugh Out Loud
lmao - Laugh My Ass Off
rofl - Roll On Floor Laughing
lol worthy - (means its just barely funny)

For other shot-verses pm me