bit off

a bit off

1. Sickly, unwell, or out of sorts, either physically or mentally. You seem a bit off, Jim. Are you feeling all right? That dog on the corner looks a bit off. I think we should walk another way home.
2. Somewhat strange, incorrect, inaccurate, or substandard. A: "The rest of your portrait is coming along really well, but the hands look a bit off." B: "I know, hands are just so hard to draw!" The gameplay is great, but the graphics on the characters' faces are a bit off.
3. Of food, spoiled or rotten. These chicken breasts smell a bit off—I think we should throw them out.
See also: bit, off

bite off

To use the teeth to pull off something. The bitten item can be named before or after "off." We had to take the dog to the vet after he bit off and ate a piece of a questionable-looking plant. Once the lollipop was soft enough, I bit it off the stick
See also: bite, off

*bit off

 and *little off
a little crazy; a little out of whack. (*Typically: be ~; find someone ~.) This guy's a little off, but he is harmless.
See also: bit, off
References in classic literature ?
With his teeth, he bit off the paw of his front foot and threw it at that poor beast, so that he might have something to eat.
But he liked to think how Laura would put out her lips and her tiny hands for the bits of sugarcandy; and to give the greater keenness to these pleasures of imagination, he took out the parcel, made a small hole in the paper, and bit off a crystal or two, which had so solacing an effect under the confined prospect and damp odors of the gig-umbrella, that he repeated the process more than once on his way.
She threw the package into the stove, but I bit off a corner of one of the chips I held in my hand, and chewed it tentatively.
Not deriving from these means the relief which he sought, he bit off an immense mouthful from the bread and meat, and took a quick drink of the porter; by which artificial aids he choked himself and effected a diversion of the subject.
Is very much scarred about the face and body, and has the left ear bit off.
So Phebe sat demurely in her place while her new teacher laid forth books and slates, a pretty inkstand and a little globe; hastily tore a bit off her big sponge, sharpened pencils with more energy than skill, and when all was ready gave a prance of satisfaction that set the pupil laughing.
Thou art like to achieve fame, Will, let me tell thee, for there will be many a merry ballad sung about the country, and many a merry story told in Sherwood of how Robin Hood taught Little John and Arthur a Bland the proper way to use the quarterstaff; likewise, as it were, how our good master bit off so large a piece of cake that he choked on it.
I guess we've bit off more'n we could chew," he admitted to Saxon.
His hearing was a bit off, but he could foller you if you spoke to him nice and clear.
Summary: Hardoi (Uttar Pradesh) [India], Feb 21 (ANI): In a never before seen incident that even took the doctors by surprise, a farmer in Uttar Pradesh's Hardoi bit off a snake's hood in revenge for the snakebite.
A dog bit off part of a man's finger in Larnaca late on Monday afternoon, police said.
Summary: Suspect surprised the victim in the street, bit off a part of her ear, snatched her purse and ran away
She says she was attacked from behind and punched in the face, before someone bit off the top of her ear.
Felstead, who was with his girlfriend, punched retired financial consultant Christopher Davies in the face, sat on him and bit off his nose.
BOSTON -- The Massachusetts Appeals Court on Tuesday refused to throw out the mayhem conviction of a Springfield man who bit off part of a youth basketball coach's ear.