Green’s Dictionary of Slang

thick adj.

1. in senses of SE thick-headed.

(a) [late 16C+] stupid, dull, foolish; often as thick as... adj. (1) .

(b) dull-headed, ‘dopey’.

(c) [late 19C–1950s] drunken.

2. in senses of lit. or fig. closeness.

(a) [mid-18C+] close, intimate; often as thick as... adj. (2)

(b) [1930s+] (US campus) emotionally involved, romantically attached.

3. [late 19C+] unacceptable due to its excess, too much to handle; usu. in phr. a bit thick.

4. [late 19C+] intense; dedicated.

5. [late 19C+] of an accent, very strong.

6. [1990s+] (US black) in senses of quantity or quality.

(a) (US) substantial in number.

(b) [1910s] extremely drunken.

(c) (UK/US black) of a woman, physically attractive.

(d) of a man, having a large penis.

(e) (US campus) overweight.

(f) used of objects or people, displaying wealth [i.e. a thick roll of cash].

In compounds

thickhead/-headed

see separate entries.

thickwit (n.)

see separate entry.

In phrases

thick as… (adj.)

see separate entry.

thick in the clear (adj.)

[mid–late 19C] confused, at a loss for coherence.

SE in slang uses

In compounds

thick ear (n.) (also thick earhole)

1. [late 19C+] an ear that has swollen up after a blow; usu. in phr. give someone a thick ear.

2. [1970s] in fig. use, a thug.

thick end (n.)

[mid-19C+] the larger portion.

thick-leg (n.) (also thick-legged one) [his physique]

[late 19C–1900s] a navvy.

thick lip (n.) [var. on thick ear ]

[1930s+] a minor beating, lit. a lip that has swollen up after receiving a blow.

thicklugged (adj.)

[1920s] very stupid.

thickneck (n.)

[1900s–50s] a large, thuggish person.

thick shins (n.)

[late 19C–1900s] (UK prison) food.

thickskin (n.)

a fool.

thick-skulled (adj.) (also thick-scull, thick-sculled)

[late 17C+] stupid, foolish; also as adv.; thus thick-skull/thick-scull n., a fool.

thick ’un (n.)

see separate entry.

In phrases

thick ’n’ thins (n.) [? the pattern which may include stripes of varying widths]

[1950s–70s] (US black) stylish nylon socks, usu. black or brown.