Lunging is a sexual activity in which semen is inhaled into the lungs, giving the word it's name. This is normally achieved during S&M oral sex. Define lunge: a sudden forward movement — lunge in a sentence. Lunging definition, a sudden forward thrust, as with a sword or knife; stab. See more. Definition von lunge aus Collins Englischen Sprache. These exercise routines are for you"10 May The Sun Land on the left leg in a forward lunge. The Sun From a standing position, step your right leg back into a lunge with both legs at a 90 degree angle. The most important sandwich quiz you'll take today.