FLUNK

[verb] [T] [esp. US] [informal] - to fail (an exam or course of study)I flunked my second year exams and was lucky not to be thrown out of college.He flunked the first test but fortunately passed the second.(figurative US humorous) I flunked the parent test - I forgot my own daughter's birthday!(US) If students flunk out (of school), they are forced to leave because the standard of their work is not good enough.