chugging; downing

an online drinking party; an event in which participants drink alcohol or other beverages while chatting online

(slang) communication between people drinking together

drunkard

a coffeemaker (a device for making coffee, such as a percolator or siphon)

行っていらっしゃい: alternative form of いってらっしゃい (itterasshai)

see you later (said by a person staying, a stock phrase required by the Japanese etiquette, lit.: (after) going, come back)

(humble) alternative form of いってきます (itte kimasu)

back and forth

(colloquial) Synonym of 行って来ます (itte kimasu, “see you later”)