-Sending drunk owls and howlers to people

-Trying to turn into an animagus when they aren’t one and not giving up

-Sober animgi changing their appearance to freak out their drunk friends

-Challenging people to duels but not being able to cast any spells because they’re slurring their words 

-Spiking booze with potions (cheering charms, love potions, etc) as pranks

-Designated apperaters

-Having to stop your friends from making an unbreakable vow about things that will definitely get them killed because they won’t remember it in the morning and it’s so trivial that they’ll definitely break it on accident

-Hangover potions

-Bertie Botts Every Flavored Beans as chasers. The alcohol won’t be the only thing making people puke

-the Night Bus as the Uber of the wizarding world

-FUI - flying under the influence

-alcohol being enchanted to taste like weird things and to make you drunk faster and to turn your hair blue or make you shrink/grow like Alice in Wonderland or make you speak another language without knowing it or levitate off the ground three inches