A purple milkshake honoring the birthday of this McDonald's mascot sparked a wave of parody horror videos that still haunts us
Grimace
With a name including a body part & a tool, this cleaning products brand bills its baking soda as "the standard of purity"
Arm & Hammer
Usually thought of as a form of magical transformation, it has a name from Arabic meaning "the chemistry"
Alchemy
To start a chess game, it's the only piece that can pass over others to reach a new destination
The Knight
At Woodstock, Filippini's Pond was where concertgoers shed clothes & inhibitions in this pastime
Skinny Dipping
From a closet far, far away: hooded white robe, silver belt, flat white boots, & don't forget the hair buns
Princess Leia
In January 2014 Dennis Rodman sang "Happy Birthday" to this world leader before an exhibition basketball game in Pyongyang
Kim Jong Un
The acetic acid in this stuff created by fermentation helps it clean; the red & white versions are great to cook with as well
Vinegar
These nomadic people take their name from an Arabic word for "a dweller in the desert"
Bedouin
Sometimes more valuable than uncirculated coins, this 5-letter type of coin set is struck with special dies
Proof
This folksy word for a diploma comes from an old type of parchment
Sheepskin
From 1977, in the actress' signature style: a wide-brimmed hat, khaki pants & menswear vest with a necktie poking out
Annie Hall
The Swiss creator of these crackers came up with them as a birthday present for his wife, a Pisces
Goldfish Crackers
"Good friend" in French, this cleaner is used on various household surfaces
Bon Ami
Mined deposits of this mineral once common in baby powder tend to contain toxic forms of asbestos
Talc
A few new articles of clothing may be in order if you take up apiculture, this hobby
Beekeeping
A 1763 play described a character as "an old miserly good for nothing" this
Skinflint
Slacker chic, in a Coen brothers film: Pendleton patterned cardigan, unclean V-neck T-shirt, drawstring pants, PVC jelly sandals
The Dude or Jeffrey Lebowski
This president's birthday, May 8, is an official holiday in Missouri
Harry Truman
Like a lemon scent with your dish soap? This brand whose name is also a hero of Greek myth has you covered
Ajax
It's a striped silk taffeta fabric as well as a word for the striped pattern on some cats
Tabby
A 1960s innovation in archery, this type of bow uses a series of cables & pulleys to make it easier to draw
A Compound Bow

This exponent of behaviorism topped an APA list of the most eminent psychologists of the 20th century
B.F. Skinner
In 2001, a pre-Goop Gwyneth Paltrow: long mink overcoat, brown Birkin bag, omnipresent cigarette, little red barrette
Margot Tenenbaum
International Nurses Day is on May 12, honoring the birthday of this woman
Florence Nightingale
H2O2, this liquid is no longer recommended for cleaning wounds but is effective in chlorine-free bleach cleaners
Hydrogen Peroxide
This end-of-the-alphabet seasoning is also called Syrian oregano
Za'atar
Pressure & boiling water bath are the 2 main methods in this food preservation hobby
Canning
This title of a Pulitzer Prize play about a family evading disasters ends the dentally wrong cliché "We escaped by..."
The Skin of Our Teeth
John Travolta, on a strange night out: black jacket, white dress shirt, bolo tie, gold-toed socks (for shoeless dancing)
Vincent Vega