A love bite is a kind of, it's not really a kiss, but if you're snogging someone, you might start kissing their neck. It leaves like a red mark on the neck where you've sucked hard on that person's neck. The next expression is left, right and center - which means 'everywhere' or 'left, right and centre everywhere' A lergie can be anything from an illness to being in bed with your girlfriend because she's sick.