He doesn't like that odd sensation so much if it comes when he's not expecting it. Ghoul makes a noise of complaint, shaking his entire body like he's trying to rid himself of a coat full of water. It only marginally helps, so he takes it a step further by bowing down and rubbing his face against the grass.

Which then turns in to him slowly flopping on to his side entirely, legs kicking briefly as he makes all sort of vocal fuss for a few seconds. Rorschach ain't the boss of him or his mouth!