2 definitions by C. Seggelin

1. An exclamation between men used to express sexual interest in a third party. (i.e. the "sound" of a sudden erection.)
2. A derogatory expression applied to someone who has stopped thinking rationally because of sexual attraction.

see also wordboing/word and wordshwing/word
1. Joe: "Whoa, check out that hottie."
Frank: "SPROING!"
2. Joe: "I was right in the middle of talking to Frank and he just got this glazed look and wandered over to the bar."
Ted: "Sproing."
Joe: "Oh." (looks over at the bar) "She's cute."
by C. Seggelin November 7, 2003
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