1 definition by Leodarp

A valuable lesson learned from a mistake that could've lead to something much worse happening, but was basically cost-less that time.
Sarah learned a cheap lesson when she left her dorm room door unlocked on accident and a drunk stranger came in and slept in her room. Luckily, they were just lost, but someone with worse intentions could've come in.
by Leodarp April 23, 2020
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