Conversion

a word (of a new word class) from an existing word (of a different word class) without any change in form.
Verbification (verbing)
is the creation of a verb from a noun, adjective or other word.

the accused, the British;
from nouns to adjectives
e.g. stone wall, air passage, zero modification;
from verb to noun
e.g. to call > a call; to guess > a guess; to spy > a spy;
from nouns to verb
e.g. a bottle > to bottle; water > to water; a hammer > to hammer;
from adjectives to verb
e.g. to clean, to round, to dry, to calm down

adverb (e.g. bitter cold, wide open)
from noun to adverb (e.g. I’m going home)
from adverb to noun (e.g. ups and downs)
from verb to preposition ( e.g. including, regarding, concerning)
from verb to adjective
other rare and special types of
conversion
(e.g. An up-in-the-air feeling,
a forget-me-not, a must-have,
If you uh-uh again, I won’t go on
with my story)

beer > beer me ("give me a beer") eye > eye it ("look at it")

HUMOROUS EFFECTS