1 (of opponents in a tennis match) to have a short practice before starting on the match (noun knock-up): The two players were knocking up before their semi-final match.
az: məşq etmək
ru: разминаться
2 (slang) to make a woman pregnant: She got knocked up when she was only 17 years old.
az: hamilə etmək
ru: обрюхатить