What is Boston Slider?
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the act of engaging in sexual intercourse with a man or woman's rectum, then having said partner defecate on the other. It is very similar to a trash bag breaking opening at the bottom
Dude, my girlfriend and i pulled a Boston Slider last night
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v.
The act of urinating in a partners reamed asshole. The challenge lies in maintaining a flacid penis during the process as it is ext..
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1. A Large Penis, with the shaft appearing to be the "arm" and the head the "apple"
Look at the size of that cock! ..
