geschlichen

past participle of schleichen

(class-1, intransitive, strong) to move in a quiet and inconspicuous manner, hence often slowly and/or ducked: to crawl, to sneak, to steal, to prowl, to creep, to slither (of a snake)
(class-1, reflexive, strong) to go somewhere in the above manner
(class-1, informal, intransitive, strong) to move slowly (especially in a car)
(class-1, informal, reflexive, strong) to slink away; to leave meekly or sheepishly
(Austria, Bavaria, Southern-Germany, class-1, colloquial, reflexive, strong, vulgar) to piss off