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suck something up
to pick something up by suction, as with a vacuum cleaner, or through a straw. Will this vacuum suck all this dirt up? The vacuum cleaner sucked up all the dirt.
suck up (to somebody)
to praise someone in order to win their approval or good opinion She's always sucking up to the boss, telling him how wonderful he is.
1. To draw or pull something in by or as if by suction: I sucked up the soda through a straw. There was a lot of dirt on the floor, but the vacuum cleaner sucked it up quickly.
2. Slang To suppress some pain or emotion: I thought that job was beneath me, but I really needed the money, so I sucked up my pride and accepted it. I know the pain you're feeling is intense, but you have to suck it up until we get to the hospital!
3. Slang suck up to To behave obsequiously; fawn: I was unable to ask any good questions in class without my peers saying that I was sucking up to the teacher.