booze cruise

Short definition from Wiktionary

Noun

1. 1
   A brief trip from Britain to France or Belgium in order to buy alcohol (or tobacco) in bulk quantities without paying excise duty.
2. 2
   A recreational trip on a cruise ship or boat usually tailored to young people, with the expectation of heavy consumption of alcoholic beverages.

Verb

1. 1
   to drive under the influence of alcohol