尻コキ 臀交
A sex act in which a person grinds their ass against their partner's penis without being penetrated.
For pussy-to-penis rubbing, use pussyjob instead.
During a buttjob the penis should be facing towards the partner's upper body, if it is pointing towards their lower body then use reverse buttjob instead.
The following tags are aliased to this tag: assjob, hotdogging, and shirikoki (learn more).
The following tags implicate this tag: buttjob_over_clothes, buttjob_under_clothes, and cooperative_buttjob (learn more).
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