As adjectives the difference between dippy and drippy
is that dippy is lacking common sense while drippy is dripping or tending to drip.
dippy
English
Adjective
(-)
Lacking common sense
Synonyms
* dotty
drippy
English
Adjective
(er)
dripping or tending to drip.
tending to be rainy or wet.
tiresome or annoying.