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 September 7, 2005
Get the Bitchinatemug. 
Trippin, or Nagging; or
Taking things to the heart and making a BIG fuss about it when in actuality it's not that serious.
Taking things to the heart and making a BIG fuss about it when in actuality it's not that serious.
She was bitchin over me not taking out the trash.
He was bitchin because I told him his head looks like a deformed peanut.
He was bitchin because I told him his head looks like a deformed peanut.
by Ms2T February 28, 2017
Get the bitchinmug. a word used by Eleven (Stranger Things) on her look. She was dressed up in dark clothes and had black eyeshadow smudges and slicked back hair. It could mean that you look punk/grunge etc. or a type of vibe you feel
by stangerthAaang November 3, 2017
Get the bitchin'mug. Acting in order to make fun of somebody by pissing them off.(immature ones will do)
Something uncomprehended little girls do
Something uncomprehended little girls do
by M. Moore June 7, 2005
Get the bitchin'mug. Origins in CA in the 1980s. Used to describe an well-formed, sizable, long breaking wave to be utilized during surfing.
Currently replaced by "Sic."
Currently replaced by "Sic."
by buddy 2mile September 2, 2005
Get the bitchinmug.