A person in their thirties is commonly referred to as a "thirty-something" or can simply be called an "adult."
they were probably called clips
Lindy Hop
The dirty thirties
Because of no jobs
Thirties
Because of the Dust Bowl it was a huge storm of dust in Kansas, Oklahoma, Colorado, and Arizona i believe. it lasted about 10 years and killed millions of people... it brought a lot of diseases such as the jack rabbit plague. dust pneumonia. look more up.
It is much more difficult to get pregnant in your thirties. Younger people are more fertile.
The Dirty Thirties.
the imagination movers are around mid thirties
men in their thirties prefer anyone who he is atracted to and is willing to be intimate.
thirties as a plural form. Thirty-six as a compound