Is there such an expression? Is it used?
He is the wrong side of 30
Yes. It means he's OVER thirty (older being the "wrong" side of any age...).
I just can't resist splitting hairs.
"The wrong side of thirty" is perfectly acceptable grammatically even if it does betray an ageist attitude.
BBC NEWS | Business | Ageist attitudes 'cost UK £30bn'A million unemployed people over the age of 50 could be in jobs if the UK improved its attitude towards elderly workers, Age Concern says.
"The wrong side of thirty" is perfectly acceptable grammatically even if it does betray an ageist attitude.
BBC NEWS | Business | Ageist attitudes 'cost UK £30bn'A million unemployed people over the age of 50 could be in jobs if the UK improved its attitude towards elderly workers, Age Concern says.