head trip vs gratification

head trip and gratification both are nouns.

Word	Noun	Adjective	Verb	Adverb
head trip	Yes	No	No	No
gratification	Yes	No	No	No

As nouns, gratification is a hypernym of head trip; that is, gratification is a word with a broader meaning than head trip:

head trip: the act of satisfying your own desires and giving yourself pleasure
gratification: the act or an instance of satisfying

head trip (noun)	gratification (noun)
the act of satisfying your own desires and giving yourself pleasure	the act or an instance of satisfying
an exciting or stimulating experience	state of being gratified or satisfied