being fucked so hard from behind that you collapse forward and then they lean over you and use their weight to keep you completely pinned so you can’t do anything but whine and take it
"I'm old enough to be your dad sweetheart." Say that again but moan it in my ear please.
Pinning you face down ass up and grinding my crotch against your ass while I force my fingers inside you from behind until you're a desperate, drooling needy mess begging me to breed you.
One of the best thing about size difference is when you’re genuinely trying to fight them and you realize that they are really just so much stronger than you, that they really could overpower you and take you if they wanted to, and the only thing standing between you and that is the trust you have in them not to go too far. Because they wouldn’t take advantage of how helpless you are under them… right?