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