This shortened “am not” is still considered informal.
ain't
This is a cheaper imitation of the genuine article.
Knockoff
This dance craze shares a name with an NYC neighborhood.
The Harlem Shake
This policy advocates non-participation in international relations.
Isolationism
An estimated 64,500 children aged 5-19 are treated in U.S. hospital emergency departments each year for injuries relating to this pastime.
Skateboarding
This pronoun is mainly associated with the American South.
Y'all
An employee whose main duty is running errands is called this.
Gofer
This handheld digital pet sold over 76 million units by 2010.
Tamagotchi
This type of triangle has 2 equal sides and 2 equal angles.
Isosceles
Despite the common assumption, this extreme sport only has about a 1/100,000 chance of fatality.
Skydiving
This word appears twice in the lyrics of "The Star-Spangled Banner."
o'er
The rule against occupying an illegal position, beyond a prescribed area or ahead of the ball/puck on the playing field, is called ______.
Offsides
This 3-D combination puzzle, named for its creator, was invented in 1974.
Rubik's cube
This narrow landform has water on both sides and connects two larger land areas.
Isthmus
This is the official term for a severe allergic reaction.
Anaphylaxis
"_____ a consummation / devoutly to be wish'd."
'tis
This kind of bed offers extra floor space.
Loft
This trend is never going to give you up.
Rickrolling
This type of crustacean has 7 pairs of legs.
Isopod
Famously, the odds of being crushed to death by this large object falling over are higher than being killed in a shark attack.
Vending machine
"Goodbye" is a corruption of this phrase.
God be with ye
This tiny tube-like protein structure is found in cytoplasm and is involved in cell movement.
This was the highest-grossing movie of the 1990s.
Titanic
This adjective means being of identical or similar form, shape, or structure.
Isomorphic
This lifesaving technique had to undergo a name change after a controversy between the innovator and the Red Cross.
Heimlich Maneuver