In poker lingo, an incredibly stupid play that yields a favorable result. A combination of stupid (a donk) and fantastic.
You were facing 2 all-ins and you called with 2/3 offsuit, only to triple-up in the end. Donktastic!
1. one who participates in donkey honking
2. one who participates in the honking of donkeys
1. man, that show last night was donktastic!
2. go honk a donkey
3. you donkey honker