Islamic State supporters have set up a hashtag to invite suggestions on how to kill the captured Jordanian pilot.
ISIS supporters are having the morbid debate predominantly on Twitter, using the hashtag "Suggest a Way to Kill the Jordanian Pilot Pig," vocativ.com reported.
The ideas include decapitating Moath al-Kassassbeh, burning him alive and even running him over with a bulldozer.
The hashtag has reportedly been retweeted more than 1,000 times.
Lieutenant Moaz al-Kasaesbeh was captured when his jet crashed in north-eastern Syria during a bombing mission on Wednesday.
IS militants have not said anything as yet regarding the fate of the Jordanian pilot.
It is still unclear as to what caused the plan to crash near the IS stronghold of Raqqa.