Simple past tense and past participle of doodle.(verb)
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Use "doodled" in a sentence
"She was the kind of teenager who "doodled" her pretend married name for each boyfriend."
""I didn't do any art for it as I was writing it," he said; though he "doodled" as a kid, "I don't really do it as its own thing.""
"Bruce Bennett, who with his partner Kevin Maxfield, opened J. Backlund Designs in 2007, saw Backlund's "doodled" guitar designs on a guitar forum in 2001 and, it took some time, but Bennett finally formalized an agreement with Backlund to make his "VERY exciting" retro-futuristic guitar designs."