(Verb) To disturb, perturb, deter or intimidate. Usually used in the negative.

A point in an individual's life during which he or she will express himself or herself in a manner that is difficult for others to control, let alone comprehend. Parents often generalize this term to describe unexpected patterns of behavior displayed by their children.

something that has no effect on you whats' so ever. It doesn't matter, Its not an issue.

3.5 grams on the drug scale, eight of an ounce

A period in time when you have feelings for someone else in stead of the main person you like,,,

a period of time in which 75-85% of a high school student's conversations are built around drugs

To "not be phased" by something is a phrase used by people who cannot spell "not fazed"