bob: did you hear about phil?  john: no what happened?  bob: he fell into a pit filled with ten thousand spiders  john: [damn] that's a hell of a lot of spiders
(adjective?) a term meaning a large amount
"bob: did you hear about phil?  john: no what happened?  bob: he fell into a pit filled with ten thousand spiders  john: [damn] that's a hell of a lot of spiders" What is the definition of "a hell of a lot of"?