liquid lunch

US /ˈlɪk.wɪd ˌlʌntʃ/
UK /ˈlɪk.wɪd ˌlʌntʃ/
"liquid lunch" picture
1.

an alcoholic drink or drinks consumed instead of a meal, especially at lunchtime

:
He often has a liquid lunch on Fridays.
My boss is out for a liquid lunch, so he won't be back until late.