GOTTA

[verb] [I + infinitive without to] not standard - used in writing to show a very informal or not standard way of saying '(have/has) got to'I gotta go now.He's gotta be kidding.Gotta (= Have you got a) cigarette?If you say a man's gotta do what a man's gotta do you mean that you will do whatever you have to do, even if it is difficult or dangerous.(humorous) He gave his friends a wink and said "A man's gotta do what a man's gotta do" as he walked towards the toilets.