ashcan, v. — Green’s Dictionary of Slang

ashcan v.

also go ashtray

[i.e. to throw in the SAmE ashcan]

(US) to discard, to throw away.

1938		M. Prenner ‘The Current Tendency toward Denominative Verbs’ in AS XIII:3 195: Ashcanned.
1946		J. Adams From Gags to Riches 202: Many of their schemes go ‘ashtray’.
1971		oral testimony in Lighter HDAS I.
1983		L.A. Times 28 Dec. III 4: The Redskins wasted all last week boning up on Detroit and have had to ashcan those plans [HDAS].
2001		Cunningham and Cunningham 🌐 Under Windoze you’d look at the Recycle Bin, sort by date, then point-and-click on the files you wanted to permanently ashcan. When files are deleted from the Recycle Bin they are gone.