Definition of bitter lemon in English:
noun[mass noun] British
A carbonated semi-sweet soft drink flavoured with lemons.
- Top up with 1/3 bitter lemon / lemonade and add a wedge of lemon.
- Cheryl and Martin will retain the support of their regulars, even if we have to drink bitter lemon.
- There is no possibility of controlling consumption of alcohol by people under-age if a member of An Garda Síochána has to come into a pub and has to work out who is drinking bitter lemon and who has the Bacardi Breezer.