launched when "rocketeer" plugs on nostril with finger,then expelles air thruogh open nostril causing a stream of mucus and boogers to fly out onto unsuspecting victim.

A particle of nasal excrement launched at such high speed as to achieve escape velocity. It may be launched by way of a sneeze, or the "cover one nostril and blow" method.

a northern pike; also known as jack or jackfish

When a guy gets his seamen up the nose of another person usually after a blow job and that person has to blow it out of there nose.

a projectile booger blown out at a fast speed.

A thing to avoid doing on a date

The resulting visual when a large gooey slimy snot is launched in a magnificent trajectory from ones nostrils due to vociferous laughing, sneezing, or crying. The trajectory has been known to reach an apogee of 3 to 4 feet above the launch site. These are especially delicious when they land on someone or something that has a deep fear of this sort of occurrence.