When you are fingering a girl with your index, middle, and ring finger together while having your pinky finger spread apart from your other fingers downwards. The pinky finger is the lost prospector

a hopeless person that follows you around for your affection or time because they love you

Slip the condom off while inside the girl without her knowing.

the inability to recall the tune of a song you like. Opposite of the Last Song Syndrome (LSS) where a song can't get out of your head to the point that it becomes annoying, the Lost Song Syndrome (LoSS) makes you forget how the tune goes (but you still know the title, singer, lyrics, or even the choreography).

It makes the person consume a lot of time thinking, but the person will only remember the tune when he's tired of thinking about it anymore.

Videos that contain private or embarrassing content which is not easily accessible.

A teen who makes bad decisions. (drinking, smoking, etc.)

Typically a fishing term

used when waiting for action and you realize that you lost your bait and no such action will occur

Can also describe a missed opportunity or lost chance