The Collaborative International Dictionary
Jellying
Jelly \Jel"ly\, v. i. [imp. & p. p. Jellied; p. pr. & vb. n. Jellying.] To become jelly; to come to the state or consistency of jelly.
Wiktionary
jellying
vb. (present participle of jelly English) (making jelly; or squirming like jelly)