So here are some codes for the more matured.....
ATD - At the Doctor's
BFF - Best Friends Funeral
BTW - Bring the Wheelchair
FWIW - Forgot Where I Was
GGPBL - Gotta Go, Pacemaker Battery Low
GHA - Got Heartburn Again
HGBM - Had Good Bowel Movement
IMHO - Is My Hearing-Aid On?
WAITT - Who Am I Talking To?
And finally....
GGLKI -Gotta Go, Laxative Kickin In!