oral sex given to a female by a male.
stephen made me orgasim so hard after that great moulder he gave me.
by joshui July 28, 2006
Man-shoulders, as found on an otherwise feminine woman.
Sarah Silverman? Now that bird's got mallfuckin' moulders!
by jjoffe January 25, 2010
Boy who masterbaits in front of ones sister.
"Hey Britney watch me moulder", said Chris.
by RBRat3 March 19, 2005