What about some over 70's SF.com codes?

[papa tiger]

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?
GGLKI - Gotta Go, Laxative Kickin In!
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[Mr. Ed]

Nice!