slang An exclamation of sexual excitement, especially in regards to seeing an attractive woman. The word is imitative of the sound made by an unsheathed sword, alluding to an erection. Wow, look at the legs on her. Schwing!
exclam. How exciting!; How stimulating!; Wow! (Originally said on seeing an extremely good-looking or sexually attractive girl. The word is onomatopoetic for the imaginary whishing sound of instant arousal. Many users are not aware of the origins. Potentially offensive.) Did you see her? Schwing!