Meaning of SWIM in English
(SEEM TO MOVE) [verb] [I] swimming, [past simple] swam, [past participle] swum - (of an object) to seem to move in circles or backwards and forwards, or (of a person's mind) to feel confused and unable to see, act or think clearlyGetting up too suddenly made the room swim before her eyes.After the second or third drink, my head began to swim.Just the thought of all this work makes my head/brain swim.
Cambridge English vocab. Кембриджский английский словарь. 2012