Green’s Dictionary of Slang

med n.

[abbr.]

1. [mid-19C+] a medical student; also attrib.; thus (1940s+) med college, medical school; med business, medical business.

2. [20C+] a doctor.

3. [1930s+] medicine; medication; usu. in pl.

4. [1940s+] medical school; also attrib.

In compounds

med-man (n.) [abbr. ]

1. [1930s–40s] (US) a quack or a patent medicine seller.

2. [1940s+] a doctor [SE medicine man].

In phrases

hot meds (n.)

[2000s] (US prison) controlled medication.