1) Clogged 2) Coagulated 3) Curdled 4) Formed a clump 5) Like some British cream 6) Stopped bleeding 7) Stopped flowing 8) Thick Found on https://www.crosswordclues.com/clue/clotted
Clot'ted adjective Composed of clots or clods; having the quality or form of a clot; sticky; slimy; foul. 'The clotted glebe.' J. Philips. « When lust . . . Lets in defilement to the inward parts, The soul grows clotted by contagion. Milton. » Found on http://www.encyclo.co.uk/webster/C/95