lean vs slim thick

lean is a noun but slim thick is not a noun.

Word	Noun	Adjective	Verb	Adverb
lean	Yes	Yes	Yes	No
slim thick	No	Yes	No	No

lean (noun)	slim thick (noun)
the property possessed by a line or surface that departs from the vertical

lean (adjective)	slim thick (adjective)
lacking in mineral content or combustible material	of a female with a large bottom and a slim waist
lacking excess flesh
not profitable or prosperous
containing little excess

lean (verb)	slim thick (verb)
rely on for support
cause to lean or incline
to incline or bend from a vertical position
cause to lean to the side
have a tendency or disposition to do or be something; be inclined