Had a nosh is an informal expression meaning to have a snack or a light meal. It can be used as a verb, as in 'I'm going to nosh on some chips, ' or as a noun, as in 'LET's have a nosh.' The crossword solutions for the term 'had a nosh' are SNACKED (7 letters) and ATE (3 letters). Therefore, the phrase 'had a nosh' can be used interchangeably with the words 'SNACKED' and 'ATE' when referring to having a snack or light meal.