Meaning of junked-up in English:
junked-up
Pronunciation /ˌdʒʌŋ(k)tˈʌp/
adjective
slang US 1Intoxicated, high on drugs. Also figurative: excited.
2Cluttered with junk, messed up, untidy.
Origin
Early 20th century; earliest use found in Druggists Circular. From junk + -ed + up.