Verb: Beable, to make a noise like a swan.
Captain Poncenby's escape was almost complete. Hiding from his nazi persuers in Hitler's own swan sanctuary had been a stroke of minor genius, he thought. Ever since boarding school, his ability to beable had been second to none.
Accurate acoustic impersonation of a swan.
"The sight and sound of those kids in that Sunshine Coach beabling for all they were worth is guaranteed to have me fapping for months"
Commonly the noise made by a swan
The swan was flying along in a merry haze, beabling as he went, but flew into a spastic in a wheelchair who went nghnn serwaaan...belm.