grammatical abortion
When a person disregards basically all rules of grammar in a passage they've spoken or written.
Teacher: "I would give this a 0; it's a good example of a full-on grammatical abortion"
Student: "Did you just use the expression 'grammatical abortion?!'" *laughs uncontrollably*
Student: "Did you just use the expression 'grammatical abortion?!'" *laughs uncontrollably*