1 definition by himymfan381
To tell someone you love or have strong feelings for them when you don’t in order to deter them from pursuing any further relationship
Robin: "I found out Barney loves me, what am I gonna do? It's gonna break his heart when I tell him I don't love him back."
Marshall: "Well, there's an option. High risk but high reward. You could mosby him."
Lily: "Oh no, she couldn't mosby him."
Marshall: "Well, there's an option. High risk but high reward. You could mosby him."
Lily: "Oh no, she couldn't mosby him."
by himymfan381 October 13, 2018