The spike trap is most known as the defense trap.

Girl enters center of room. Surprise! She is shocked to see 2 parallel lines of nude men around her. They suddenly shuffle slowly in unison inwards to impale her with their 'spikes'.

Girl: "SPIKE TRAP AHHHH!!'

Normally in R-rated versions of the Legend of Zelda or R-rated versions of Tomb raider or stolen in many movies such as Star Wars. Notable life-ending psychological damage to follow her. Perfect for Heroines who try to go through YOUR dungeon, you the BOSS.