1. A giant dick, usually only good to stare at. If it were to be put inside a woman, she would literally split like a melon. Also named because of the trumpet sound made when ejaculation occurs. Synonymous with many African-American males, particularly one called Mandingo
"Dude, she didn't believe me, so I pulled out my manephant and gave her the business."

"Awesome dude! Where is she now?"

"Crippled somewhere. Psh."
by Chocolate Thundercats October 6, 2011
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