"off by heart" in German off by heart auswendig Detailed translations for "off by heart" off by heart off by heart(also: by heart) auswendig{adverb} He knew the Kama Sutra off by heart when he was ten and tantric sex when he was 15. Source: opensubtitles.org Corpus by OPUS Request review Mit 10 konnte er das Kamasutra auswendig und mit 15 die tantrischen Sexphilosophien.