Verb. Beanjuice is used as a derogatory term to describe the actions of people who behave with disregard for coolness, who enjoy engaging in retarded activities and who are socially outcast. can also be used as a noun 'Beanjuicer' which is directly applied to those who partake in beanjuicy activities.
I saw Bethany last night, she's such a beanjuicer
After anal sex, a leakage of sperm and poo
i bean juiced all over my sheets after being taken up the arse
a fart accompanied by anal leakage
I thought I had a hemmoriod! Biy was I relieved that it was only bean juice