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general::
Phrase(s): (I’ve) got to go.
a phrase announcing one’s need to depart. (See also (I) have to shove off for other possible variations.) • Andy: Bye, I’ve got to go. Rachel: Bye, little brother. See you. • Sally: Got to go. Sue: See ya! Take it easy.
McGrawhill's American Idioms And Phrasal Verbs