I can't figure out where to place 'praise you' grammatically. Is this correct English?
I would think it should be either "I praise you!" or "We praise you!" Is it possible for a transitive verb (praise) to not have a subject? Is this an imperative? I'd appreciate any clarification here, and perhaps an example or two of other verbs that function similarly.

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"Praise you" is not an imperative, it's present tense. It's like saying "We/I are praising you." Imperatives can't have a 2nd person as the object, they need to have a 3rd person object ("Praise him!"). And praise always needs a subject, I think. I can't think of any examples where you could use praise without an object.

http://www.italki.com/teacher/T005650036.htm

To respond to nanren888: "Bite me" literally means "you bite me," which would be an imperative, so you're right, there can be a 1st person object.

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"Praise you" is an imperative. Old fashioned and usually used in the bible.

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Your question needs more context to answer properly.
.
Amy's answer is I think a little misleading.
"Bite me" seems pretty imperative to me, & seems to have a first person object, so I suspect what Amy says about objects in particular persons is inaccurate at best.
"Praise be" is an old expression & therefore probably acceptable English.

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