I_should_have_known

: Questions range from the location of UCLA to keyboard shortcuts for saving documents. 2. Music: Notable Songs

: Players or teams take turns answering trivia. You can choose to skip a question to avoid losing points, but if you answer and get it wrong, points are deducted from your score. i_should_have_known

This is a popular fast-paced trivia game where players are asked questions about things they ideally should know the answers to (e.g., "Which way does a fan turn?"). : Questions range from the location of UCLA

Several famous tracks use this phrasing or a close variation: How To Play ...I Should Have Known That! You can choose to skip a question to

: Score the fewest negative points. In a unique twist, you don't get points for correct answers, you only lose points for incorrect ones.

Depending on what you're looking for, "I should have known" (or "I should have known better") likely refers to one of the following popular topics: