I. side ‧ swipe 1 /ˈsaɪdswaɪp/ BrE AmE noun [countable usually singular]
if you take a sideswipe at someone or something, you criticize them while you are talking about something different:
Sir Kenneth concluded with a sideswipe at his critics.
II. sideswipe 2 BrE AmE verb [transitive] American English
to hit the side of a car with another car so that the two sides touch quickly:
She was going too fast and sideswiped a parked car.