be in (one's) dotage

To be in a state of senility or mental decline due to old age. Just because we are in our 70s doesn't mean we are in our dotage! You'd best treat your children well, for it is they who will look after you when you're in your dotage.

Common Names:

Name	Pronounced	Usage
Lawson	LAW-sən	English
Guerino	-	Italian
Mallaidh	-	Irish
Nachum	-	Biblical Hebrew, Hebrew
Bogdana	bawg-DAH-nah (Polish)	Polish, Russian, Slovene, Bulgarian, Serbian, Macedonian, Romanian, Medieval Slavic
Thijmen	-	Dutch