Means the same as the phrase baby poop brown.
Some cars & trucks have this hideous brown paint job which has the color of baby shit; hence the phrase, "baby shit brown". This paint job is so old that it is often somewhat faded and has a matte finish (vs. a glossy finish as is usual for automotive paint jobs).
A 1970 Ford Maverick that I had in 1986 sported this type of paint -- faded, matte finish, and colored baby shit brown.
{From a website that has these phoney bologna fake "battles" between TV commercial mascots}:
Parked on the street are a 1986 Honda Accord sporting a dull baby shit brown paint finish (the doors are locked but the keys are still in the ignition) and (again with the keys already in the ignition) a 2014 Kia Soul with a custom lime green paint job.
A colour that is inexplicably the shade of a baby's fresh-laid shitstain. Not quite milk-chocolate brown, but light greyish brown with an iridescent tinge of green. The BIC lighter you never want to have.
I went to sit on Andy's bed and sawskidmarks that were baby shit brown.
An unpleasant or common and boring colour of brown, in reference to eye colour, hair colour, or just the colour brown. Commonly used among older generations (parents, grandparents, etc)
When Shit mixes with liquids such as," Lemonade, Lime Soda, and other sour beverages," gets blended together, drank by someone and then said person laughs hard enough to make the beverage shoot up the persons throat and out of the nostrils.
That party last night was epic. Cornelious made Linda laugh so hard she pulled a Bitter Brown Shit Shake Buster!
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).
Precedes or follows either a gratuitously disrespectful or honest remark, originated in New York City. Used in similar fashion to "no offense" or "to be honest," interchangeably.
Ya mans is wild buns, respectfully. Respectfully he's washed.
After school, The Modells on Jamaica Ave was active. Respectfully.