To clot; coagulate.To become clotted or coagulated.n. A heap or collection of things lying in confusion; confusion; litter; disorder.To crowd together in disorder; fill with things in confusion: often with up: as, to clutter the things all together; to clutter up the house.To make a bustle or disturbance.n. Confused noise; bustle; clatter; turmoil.To jumble words together in speaking, clipping syllables and dropping consonants.