What good is calling dibs if the offer wasn't even for you?
Dibs
–noun, Informal.
1. rights; claims: I call dibs on *insert object* when *insert person* is/has done/finished/no use for it
2. Dibs over-rules any other claim for possession, much like the "Shotgun" claim, as long as it can beproven.
-Sorry dude, dibs wins all