The phrase "ludicrous amount" means a really large or unreasonable quantity, to the point of being ridiculous or absurd.
Sentences with «ludicrous amount»
A full day is easy, even with ludicrous amounts of use and the data connection turned on the whole time. (gizmodo.com)
Yes, there is a great demand for success amongst the top clubs because the game at that level generates ludicrous amounts of money no small part of which comes from fans pockets. (justarsenal.com)
There's a simply ludicrous amount of places to move on to next. (gapyear.com)