Top Definition
Friend with some benefits.

Friends who do not sleep with each other, but flirt, touch, talk, and share sexual desires/feelings for each other.

Do NOT confuse with

FWB - Friends with benefits = Sex

FWSB = No sex involved.... not yet.
No, he's not my boyfriend. He's my FWSB for now.
by 88Lizzy88 October 05, 2010
Friends with study benefits.
I really need a FWSB during exam week.
by slaymasterwarlock December 08, 2014

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