Warhammer 40k stuff
"Dakka" is the Ork bastardization term for "lots and lots of firepower." Dakka is at the center of Ork "kulture," which dictates that everything an Ork does must be in service of lots and lots of noise, chaos, and destruction.
"Enough Dakka" (Ork bastardization: "enuf dakka") is an Ork philosophical ideal of a point in time at which there can be no more Dakka - in other words, there will not be "enough Dakka" until the entire Matterium and Immatterium becomes a sea of automatic and semi-automatic weapons fire. However, there can never be "enough Dakka" because "Der iz no such ting az 'too much dakka.'"