"abzapfen" in English abzapfen {v.t.} to siphon/syphon off abzapfen to take/draw blood from sb. Detailed translations for "abzapfen" abzapfen{transitive verb} abzapfen to siphon/syphon off abzapfen abzapfen(also: jdm. Blut abnehmen) to take/draw blood from sb.