under the influence of alcohol
Fixed expression meaning that an action or statement was done while drunk, often implying reduced responsibility or judgment.
I said it under the influence of alcohol, so please don't take it to heart.
Mistakes made while drunk are common.
A set phrase composed of 酒 (sake, alcohol), の (possessive particle), 上 (ue, top/on), and で (locative/instrumental particle), literally 'on top of alcohol', idiomatically meaning 'under the influence of alcohol'.