Synapses-Collapses is what occurs when a person is unable to properly communicate words, usually after a night of heavy partying. The cause of Synapses-Collapses is the synapse between the neurons in the brain do not fire properly, hence causing a collapse in word formulation.
Jeff: Do you have a mack of patches?
Dennis: Do you mean "pack of matches"? Dude, you just had a synapses-collapses.