Can you grammatically end a sentence with "with"?

Do you want to come with?

Can I come with?

I seem to hear this construction more often in recent years, but it still grates on my ear.

I know it's often said that one shouldn't end a sentence with a preposition, but I class that rule along with split infinitives (i.e. — pedantic tosh).

Is it always informal/casual speech to end a sentence with "with"? Was it ever thus?

Solution 1:

I’ve heard of it, but never heard it. The absence of a direct object after a phrasal verb that normally has one is not unprecedented. FF has already mentioned come after, but there are other examples. You can get on or get off a bus, or you can just get on or get off. You can go without dinner, or you can just go without. I don’t imagine anyone objects to those now, if they ever did. I suspect the only thing intransitive come with can be charged with is being new.

I wouldn’t be surprised if, as Lunivore says, it’s a construction found in Afrikaans. German has the cognate separable verb mitkommen (although admittedly that occurs only intransitively).

Solution 2:

It's perfectly fine to end a sentence with a preposition, don't believe any fear-mongering to make you believe otherwise.

Sometimes it may sound awkward, sometimes it's more suitable for informal writing, but there is no prohibition against it.

Having to read comics about grammar jokes, I guess that's something I could live with.

However, the examples you cited don't sound like correct grammar to me. It's not because they end with with, it's the fact that they omit the personal pronoun:

Do you want to come with us?

Can I come with you?

They're informal speech patterns, and yes, there are grating, kind of like asking "How are you?" and getting "Thanks, I'm doing good."