I smirk when my friend tells a lame joke.
When Sara knocked me over, her smirk told me that she had done it on purpose.
he smirked his way through the interview
(A smirk may be arrogant, derisive, or innocently playful.)"When the investigators asked him about the crime, the suspect gave a smirk in reply.""I swore that I would win and wipe that arrogant smirk...
"Johnny had a mischievous smirk upon his face after having read his sister's diary."