smear (something) on(to) (something)
To spread or daub some substance on(to someone or something). I came into the kitchen and saw our toddler smearing chocolate on the walls. The warrior smeared war paint on his face to intimidate his foes.
See also: smear
smear something on(to) someone or somethingand smear something on
to spread or rub something onto someone or something. Judy asked Jeff to smear the sun lotion onto her, and he was very happy to do so. she smeared on the lotion. Jane smeared a little on.