Become thick (4)
I believe the answer is:
clot
(Other definitions for clot that I've seen before include "Thick lump - thick person" , "Silly billy" , "Mass of coagulated blood" , "Curdle - idiot" , "(Of blood) solidify" .)
I believe the answer is:
clot
(Other definitions for clot that I've seen before include "Thick lump - thick person" , "Silly billy" , "Mass of coagulated blood" , "Curdle - idiot" , "(Of blood) solidify" .)