Flunk /(flŭṉk)/

imp. & p. p. Flunked; p. pr. & vb. n. Flunking

1. To fail, as on a lesson; to back out, as from an undertaking, through fear.

1. To fail in; to fail to pass (a test, examination, or course of study). [Colloq. U.S.]
2. To shirk, as a task or duty.

1. A failure or backing out College cant