Using pre-written prompts or cheat codes to help you perform well at something like an exam, speech, GTA or penalty shootout. Potentially written on your hand, sleeve, scrap of paper or water bottle.
Jenkins: "What ho Pembo!"
Pembo: "What ho!"
Jenkins: "I say Pembo, how did you manage to ace that Latin exam? You never study."
Pembo (tapping the side of his nose): "Pickford's Water Bottle, Old Chap!"
Pembo: "What ho!"
Jenkins: "I say Pembo, how did you manage to ace that Latin exam? You never study."
Pembo (tapping the side of his nose): "Pickford's Water Bottle, Old Chap!"
by centurionsect September 16, 2024

The act of going into a porta-potty and scooping the creamy blue shit soup with a water bottle and drinking it.
by That Bitch Carol Baskins January 31, 2023

Makoto tachibanas nickname from the first trailer of the anime Free! this was used since people didn't know Makotos name at the time the first trailer was released .
Guy 1 : Hey have you seen of the new episode from Free!It is about water bottle senpai.
Guy 2: Yes I have it is so exiting !
Guy 2: Yes I have it is so exiting !
by Kouji itsuki April 20, 2019
