Other worrisome signs include unexplained worsening of the headache; changes in the typical head ache; headaches that wake people up in the middle of the night; headaches that get worse with coughing, sneezing, or Valsalva maneuver; and headaches that occur in women with underlying cancer, HIV or some kind of systemic condition or fever.
grooming. An act of kindness with an aim to get something in return. For example a telephone number, or perhaps for a favour, or to gain extra contact means with someone, possibly for romantic reasons.
Streaking is the act of running naked through a public place as a prank, a dare or an act of protest. It is often associated with sporting events but can occur in more secluded areas. It usually involves running quickly which also reflects the original meaning of the word before it became associated with nudity.