Getdown is likely misspelled.
Getdown has no English definition.
As a noun comedown is
a sudden drop to a lower status, condition or level; a disappointment or letdown.
getdown
Not English
Getdown has no English definition. It may be misspelled.
comedown
English
Noun
(
en noun)
A sudden drop to a lower status, condition or level; a disappointment or letdown
A calm, mellow period experienced after the initial high from taking drugs
See also
* crash
* mellowed out