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Someone who acts in a way that only benefits themselves.
"You didn't grab me a drink on your round? man you a one way motherfucker"
by Jibroni69 September 19, 2016
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2
A person who only looks at the world with only there needs in mind
She wanted you to change everything about your life but didn't want to do a Danny thing to change hers. And you responded " what a one way motherfucker."
by rustedroot April 21, 2016
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