daub / dob [dɔb]
daub – n. & v. – n. – 1. paint or other substance daubed on a surface; 2. plaster, clay, etc., for coating a surface, especially mixed with straw and applied to laths or wattles to form a wall; 3. a crude painting; v. – 1. spread crudely or roughly on a surface (paint, plaster); 2. coat or smear a surface with paint, etc.; 3. paint crudely or unskillfully; 4. lay colours on crudely and clumsily
dob – v. – Australian slang (followed by in), inform against; implicate, betray