Chronic masturbation. Uncontrollable boner-lust, followed by humping any object within reach. The result of Longoing to long is having a crushed pelvis and imploded penis.
Man 1: Oh my God, he's at it again.

Man 2: What? Who?

Man 1: My roommate. He's Longoing. Again.

Man 2: Jesus, does he have, like a problem or something??

Man 1: He's like an animal. A monster.

Longo: What's going on fellas.

Man 2: Why is your hand bleeding?

Man 1: *silent disapproval*

Longo: You guys are douchebags.
by Marsha Brady Is Hot October 20, 2006
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1. Fucked up 2. Going crazy 3. Not working properly 4. An all in all, true pain in the ass (this is the most all-encompassing and prominent definition)

Past tense: went longo

Etymology: Eastern Pennsylvania, 2004. Believed to have derived from the famous New Jersey bitch.

Can be used in any way appropriate to the situation.
Verb: I tried to log onto the computer, but it promptly crashed and now it is going longo on me.

Noun: My new boss is one hell of a Longo.
by Baxter Grimes September 14, 2004
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