From Longman Dictionary of Contemporary Englishslayslay /sleɪ/ verb (past tense slew /sluː/, past participle slain /sleɪn/) [transitive] 1 KILL literary to kill someone – used especially in newspapers► see thesaurus at kill2 American English spoken informalFUNNY to amuse someone a lot —slayer noun [countable]→ See Verb table
Examples from the Corpus
slay• Roll two dice scoring 4 and 6 a further 2 men slain.• Now, detectives are investigating the possibility that a fourth woman may have been slain by the retired Army sergeant.• Coretta King is the widow of slain civil rights leader Martin Luther King Jr.• Hercules slew Diomedes first and then drove off the mares unopposed.• Tens of thousands were slain, drowned by waves, buried by earthquakes, struck by magical lightning.• A Pump Wagon is dependent on its crew for mobility, so once its crew are all slain it can not move.• That guy really slays me!• You'd slay them you would!Origin slay Old English slean “to hit, kill” 