smear
Definition
To spread a substance thinly over a surface, often in a messy or careless way; also used to damage someone's reputation unfairly.
Español Extender una sustancia delgadamente sobre una superficie de manera desordenada o descuidada; también dañar injustamente la reputación de alguien.
Example
"She smeared butter on her toast and accidentally brushed dirt across the table."