Up to one's eyeballs (7)
(Another definition for in deep that I've seen is " very involved".)
(Other definitions for swamped that I've seen before include "Inundated in quagmire?" , "overcome" , "Pew's mad (anag) - overwhelmed" .)
(Another definition for in deep that I've seen is " very involved".)
(Other definitions for swamped that I've seen before include "Inundated in quagmire?" , "overcome" , "Pew's mad (anag) - overwhelmed" .)