loony toons vs acid

loony toons and acid both are nouns.

Word	Noun	Adjective	Verb	Adverb
loony toons	Yes	No	No	No
acid	Yes	Yes	No	No

As nouns, loony toons and acid are synonyms defined as:

loony toons (noun)	acid (noun)
street name for lysergic acid diethylamide	street name for lysergic acid diethylamide
	any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

loony toons (adjective)	acid (adjective)
	having the characteristics of an acid
	being sour to the taste
	harsh or corrosive in tone