“Slower than an asphalt serum.”

Used to describe something extremely slow, like how asphalt moves slowly because it is thick.

Translation in spanish

“Más lento que un suero de brea.”

Se usa para describir algo extremadamente lento, similar a la forma en que el asfalto se mueve lentamente debido a su espesor.

Phonetic:
/Mahs lehn-toh keh oon sweh-roh deh breh-ah/