Top definition
a codeword for "Esther Curtis". the 1800's prostitute was a lioness that devoured her young, so when someone calls you a highway unicorn you should take that as a compliment because you are an Esther Curtis.
e.g highway unicorn is good at that
i like highway unicorn
HIGHWAY UNICORN PLAY WITH ME
by SMS (BANGERZ) September 11, 2013
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

Alphabetical list