Prankvertising refers to using hoaxes or mischievous acts as part of a marketing campaign. 

“恶作剧广告”指的是在营销活动中使用恶作剧或者恶搞行为。

Prankvertising, an advertising strategy that makes its point by tricking, scaring, or "pranking" an unsuspecting person or audience, seems to be the hot thing in advertising these days. 

“恶作剧广告”通过对毫无疑心的个人或者观众采用欺骗、恐吓或者恶搞来达到广告宣传目的。这种广告策略如今在广告界非常流行。