The Reverse AIDS rodeo is where on initiating the game of normal "AIDS rodeo" where you expect your partner to try and get away as quick as possible, the partner instead says something like
"Really? So do I"
reversing the game, making you now the person who needs to get away quickly.
I tried to AIDS rodeo this girl and then she told me she had AIDS as well, i shit myself man! I can't believe i got done by the Reverse AIDS rodeo
While in the famed doggy style position, just before the man is about to blow his load, he stretches back with his thumbs (of doom) pointing up in the positive gesture position, he shouts "thumbs of doom" and just as he blows off he sticks his thumbs up her ass.
my man thumbs of doomed your sister last night thats why she can't sit down.