gehinausgegangen
Gehinausgegangen is a nonstandard, informal variant of the German verb form related to the separable verb hinausgehen. It appears mainly in online contexts and is not recognised as a correct standard spelling in major dictionaries. The standard participle is hinausgegangen, formed from hinausgehen with the ge- prefix. In normal language use, one would say ich bin hinausgegangen or ich bin hinausgegangen, depending on the sentence.
In standard German, hinausgehen is a separable verb; in perfect tenses the prefix moves to the end:
Gehinausgegangen has no formal status in German and is not listed in authoritative reference works. It is
A nonstandard online usage might read: Ich gehinausgegangen, um frische Luft zu schnappen. Note that this illustrates