slang : remarkably bad : detestable <of all the bitchin' luck>
slang : remarkably good or cool <a bitchin' car>
Origin of BITCHIN'
probably short for sonofabitching,
from son of a bitch + 3-ing
First Known Use: 1957
Seen & Heard
What made you want to look up bitchin'? Please tell us where you read or heard it (including the quote, if possible).