MIDDLE AGE TEXTING CODES: ATD -at the doctor. BFF -best friend fell. BTW -bring the wheelchair . BYOT -bring your own teeth. FWIW -forgot where I was. GGPBL -gotta go, pacemaker battery low. GHA -got heartburn again. IMHO -is my hearing aid on? LMDO -laughing my dentures out. OMMR -on my massage recliner. ROFLACGU -rolling on floor laughing and can't get up. TTYL -talk to you louder!