#ultimate weirdcest

dean’s fingers in sam’s mouth. but not even in a necessarily sexual “suck on my fingers” kind of way, more just in his mouth, casually resting there while he sits by him. fingertips tracing over the ridges of sam’s molars. pulling his lips back to run a finger over his gums. shoving back enough that sam coughs and forces dean’s fingers back up, turning his head to scrunch up his eyebrows at his brother in annoyance before going back to his research