2.can be used literally for a female dog who can not read, also a a female human that can not read.
3.a mispronunciation of "a little bitch"
2.man 1-"bro, why didn't your dog listen to the 'warning cliff' sign?"
bro- "she's an illitebitch, but she was smarter than yo inbred sister"
3. tinkerbell- "did captain hook just call me an illitebitch?"
peter pan- "no, he's a pirate, he speaks weird. he called you a little bitch "