let's not get ahead of oursel...

Usually said just before getting ahead of ourselves.

Redditter 1: Jacob follows Rogue on Twitter, Roster change confirmed.
Redditter 2: Let's not get ahead of oursel... Jacob on Rogue confirmed.

let’s sesh

Means let’s smoke

Jacob: Aye Andrew!

Andrew: wussup foo?
Jacob: let’s sesh
Andrew: down bro 💯🤩✊🏽