The metaphorical juice someone guzzles
right before making a stupid decision out of the
blue. Also, some
people just sip it all day everyday and make smaller, more numerous stupid decisions all day.
P1: (Guzzles down a fifth of retard juice in one chug) I think im going to quit my job that pays $20 an hour and join the
Army!
P2: (sips retard juice all day at
work)
P2 Coworker: P2 has been on the retard juice again, thats the 3rd
time today he forgot to stock the merchandise and ive had to do it for him.