What is Swider?
1.
Pronunciation: su wai der
Function:noun
1 : a person who reserves space (as on an airplane) but neither uses nor cancels the reservation
2 : a person who buys a ticket (as to a sporting event) but does not attend; broadly : a person who is expected but who does not show up
3 : failure to show up
Function:verb
1 : to fail to show up
Dave said he was coming to the dinner but he swidered again.
See