Eject forcefully
(Other definitions for disgorge that I've seen before include "Throw up, regurgitate" , "So rid egg? (anag)" , "yield under pressure" .)
'eject forcefully' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for spew that I've seen before include "Vomit (colloq.)" , "Casst out in a stream" , "Erupt, eject" , "Gush forth, vomit" , "Belch forth" .)