PewDie π ?
(Man I can't stand this guy.)
"Easy as π"
"Good π" (as in goodbye or a good pie)
If you're angry: "Shut your π hole! "
Or: "The best that money can π" (haha)
"That π was very filling"
Most of them are from the following pun-website.Maybe you find there some funny stuff:
Pie Puns – Punpedia