n. A failed attempt at constructing an English sentence. Usually ungrammatical, nonsensical, or just plain awkward.
v. The action of constructing such a mop.
moppy, adj: describes a sentence or passage which has characteristics common to a mop.
1. (noun) The paper I proofread for a classmate was full of mops.
2. (noun) My translation of this passage is a total mop.
3. (verb) I mopped the last part of the exam because I ran out of time.
4. (adjective) I finished the paper, but it was a little moppy.