15 gummies deep
an elaborate version of milk and cookies that involves fifteen toothless sexual partners; in another sense, it could mean that one is high out of their mind
Omar: yo what is up dude
Lloyd: bruh are you 15 gummies deep?
Omar (obviously high): bruh what does that mean bruh?
Lloyd: bruh are you 15 gummies deep?
Omar (obviously high): bruh what does that mean bruh?