pull the leg of vs gull

pull the leg of is not a noun while gull is a noun.

Word	Noun	Adjective	Verb	Adverb
pull the leg of	No	No	Yes	No
gull	Yes	No	Yes	No

As verbs, gull is a hypernym of pull the leg of; that is, gull is a word with a broader meaning than pull the leg of:

Other hypernyms of pull the leg of include befool, cod, dupe, fool, put on, put one across, put one over, slang, take in.

pull the leg of (noun)	gull (noun)
	mostly white aquatic bird having long pointed wings and short legs
	a person who is gullible and easy to take advantage of

pull the leg of (verb)	gull (verb)
tell false information to for fun	fool or hoax
	make a fool or dupe of