Here's why:
* "Blood clot" is a medical term referring to a solidified mass of blood.
* "Crying" is a common word for expressing sadness or pain.
Combining these two words in this way doesn't make sense in Jamaican slang or English. It's possible that the phrase was misheard or a combination of different slang terms.
If you can provide more context or the situation where you heard this phrase, it might be possible to decipher its meaning.
For example, "blood clot" could be a slang term for something else, or "crying" could be used metaphorically.
It's also worth noting that Jamaican slang is constantly evolving, and new phrases are created all the time. It's possible that this phrase is a recent invention and hasn't been documented yet.