Most of those are right, but: IIUC = If I Understand Correctly RTFA = Read The F(ine) Article IANAL = I Am Not A Lawyer IANYL = I Am Not Your Lawyer The on

Most of those are right, but: IIUC = If I Understand Correctly RTFA = Read The F(ine) Article IANAL = I Am Not A Lawyer IANYL = I Am Not Your Lawyer The only one I had completely no idea on was EAFP, which is apparently "Easier to Ask Forgiveness than Permission".