carousing

verb (used without object), ca·roused, ca·rous·ing.

1. to engage in a drunken revel: They caroused all night.
2. to drink deeply and frequently.

noun

3. carousal.

verb

1. (intr) to have a merry drinking spree; drink freely

noun

2. another word for carousal

v.

1550s, from Middle French carousser “drink, quaff, swill,” from German gar aus “quite out,” from gar austrinken; trink garaus “to drink up entirely.” Frequently also as an adverb in early English usage (to drink carouse).