front pole
To steal someone else's joke. When you see someone leading into a joke and you barge in to steal a punchline.
Brian: Co-hosts should not be front poling each other.
Justin: I'm already at the bottom of the well and I'm trying to get something out and I get front poled from out of nowhere!
Justin: I'm already at the bottom of the well and I'm trying to get something out and I get front poled from out of nowhere!