+R
Rebuy, i.e., $100+R is a $100 rebuy tournament
3bet
A reraise, i.e., bet, then raise, then reraise (3bet.)
4bet
The first raise after the reraise, i.e ,bet/raise/reraise/4bet
AFr
Aggression Frequency (PAhud statistic - % of agressive actions)
ATF
About The Forums (2+2 Forum)
Ax
an Ace with a second random card
B&M
Brick and Mortar referring to physical casinos and gaming rooms.
b3b
bet and reraise, if raised