The dirty adamson is when, sliding into the woman and as your inside you suddenly think “oh shit, I might be gay” so you pull out, wipe your cock on her face and then engage in anal sex with her brother infront of her and her parents.
Reece: Duno what I should do about my mrs
Jamie: why?
Reece: did a dirty adamson last night
Jamie: fuck bro. That’s not ideal.