bro-bailer

Someone who routinely bails on a bro, especially when he makes plans to hang out. He will often bail to hang with his mom, or wifey

Example 1:
Me: Hey Bro what time are we heading to the bar tonight?
Bro: Sorry got plans with my mom and wifey.
Me: Oh, okay, thanks bro-bailer. We made plans two days ago.

Example 2:
Me: David never hangs out with his bros... Dudes a total bro-bailer bro.
My bro: totally dude.