When you are doing a chick doggy style. You go in like your going to grab her tits and abruptly swing your arms outwards so she falls on her face. Now start pushing her around the room into coffe tables, lamps, etc. making bulldozing sounds.
The Baumann Bulldozer is a move made for hardcore sexual intercourse. the move goes like this....
You strap your bitch to the wall with chains you then bungee her butthole to spread it as a wide as possible (careful it may tear) after that you stand behind your bitch anywhere from 10 to 125 feet depending on how much power you want to use. you then run full speed and slam your dick into her butthole causing her to take down the wall like a bulldozer.