Guilty pleasure can refer to anything that someone enjoys, but feels guilty indulging in, or feels like they are judged by their peers for enjoying it.
An oxymoron is a self contradictory statement, where the second portion of the statement negates the first. Common examples include a tall short person.
Pitta is an Ayurvedic dosha or body/mind/health type that is characterized as hot and dry. It is dominated by the element of fire and is related to digestion.
Happy Birthday To You is a song sung in America and other English-speaking countries on the occasion of a loved-one's birthday. It is generally sung off-key.
Newton’s laws of motion: objects at rest remain at rest, acceleration of an object is related to the force applied to it, for every action there is a reaction
In photography a walk around lens is a decent lens for a variety of subjects and situations. Typically it is a zoom lens with an adjustable focal length.