It’s yonks since we had a good night out.yonksyonks /jɒŋks $ jɑːŋks/ noun [uncountable] 
It’s yonks since we had a good night out. We went to Blackpool once, yonks ago.not do something for yonks We haven’t seen Tom and Jean for yonks.
EXAMPLES FROM THE CORPUS
- I thought they must all have been pulled down yonks ago.
- In desperation I sometimes reverted to tuning step-by-step by harmonics, something I haven't done for yonks.
- Mum took us there yonks ago.
- Of course, that was yonks ago, and hardly any of the original characters are still around.
COLLOCATIONS FROM THE ENTRY It’s yonks since we had a good night out. We went to Blackpool once, yonks ago.
British English spoken informal a long time SYN ages: It’s yonks since we had a good night out. We went to Blackpool once, yonks ago. It’s yonks since we had a good night out. We went to Blackpool once, yonks ago.not do something for yonks We haven’t seen Tom and Jean for yonks.