From Longman Dictionary of Contemporary Englishbe kicking (it)be kicking (it)American English spoken to be relaxing and having a good time I was just kicking with my buddies. → kick
Examples from the Corpus
be kicking (it)• The ball the three youngsters were kicking about landed near Scott once more.• The adults were soon chanting and singing; the baby was kicking and cooing.• Her nose wrinkled at the smell of beer, and she kicked off her mink-trimmed bootees as if she were kicking Boyd.• She was kicking herself for forgetting the most basic Capricorn trait of allowing nothing to stand in the way of their goal.• Glen Day had eight birdies in a round of 64 and was kicking himself.• It was easy to see that the boy was kicking himself.• When I pull into the driveway Quincy and Phoenix are kicking it on the deck again.• Victor and his friends were kicking it on the porch.• John is kicking the car too.be kicking itbe kicking itAmerican English spoken to be having a romantic or sexual relationship with someonebe kicking it with My sources say that she was kicking it with Thomas while she was on tour. → kickExamples from the Corpus
be kicking it• When I pull into the driveway Quincy and Phoenix are kicking it on the deck again.