When you are having sex with a woman doggystyle, you gently slide your thumb into her anus, then say, “I fucked your sister last night.” You then hold on for as long as possible.
Josh was having sex with Brandy, he broke the news of his last week’s infidelity with her sister Britt and had a sister rodeo.
by Nipple Knockers July 15, 2022

This is reference to the pungent discomforting smell coming from a males testicle area after a long night of partying or strenuous activity.
All of the girls couldn't figure out why it smelled like hot garbage at the bar, they realized it was Rob's whiffle nuts.
by Nipple Knockers June 29, 2016

by Nipple Knockers October 30, 2021

This action is performed with a female partner in which the breast of the female are slapped with such force that the smell of the breast travels for a distance.
by Nipple Knockers June 29, 2016
