The term 'Amusingly Unexpected' can be summed up by the word 'IRONIC', which has 6 letters. IRONIC is defined as an occurrence that is contrary to what is expected and is often amusing or surprising. It is often used to describe a situation in which something that was meant to have a positive outcome actually has a negative one, or vice versa. For example, if someone was expecting a promotion but instead got fired, this would be considered IRONIC.