by Lynne's August 16, 2016
by 😂bitchin! November 07, 2017
by Eastside_Slimm October 19, 2017
by Bone August 14, 2003
by xplicit-kid February 10, 2003
Borrowing from Physiology, to supinate is to have a hand with the palm facing up. To bitchinate is to slap a person with the palm of your hand. In other words, it is a shorter term for a bitch slap, plus it makes you sound more intelligent.
by Knee Wrote August 18, 2005