1A colloquial term for a person who draws or paints (an artist/painter); less formal than 画家 and often used familiarly.
彼は街で有名な絵かきだ。路上で似顔絵を描いている。
He is a well-known painter in town; he draws portraits on the street.
小さい頃から絵かきになるのが夢だった。
Since childhood, it was my dream to become an artist (painter).
あのカフェにはプロの絵かきが個展を開いている。
A professional artist is holding a solo exhibition at that cafe.
2The act of drawing or painting; doodling, sketching, or producing pictures (colloquial).
授業中にノートに絵かきをしてしまった。
I ended up doodling in my notebook during class.
休み時間はいつも友達と絵かきをして遊んだ。
During breaks we always played by drawing pictures with friends.
彼女は気分転換に絵かきを始めた。
She started drawing as a way to refresh herself.