When you think that you’re something but you’re not.
Example 1:
Maria (the nerd): I’m so cool.
Cathy: You’re poomie.
Example 2:
Boyo (the ugly boy): I’m handsome.
Carla: You’re soooo poomie.
A horrendous misspell of pookie, for a deeper bond between you and yo baba girrl
Person A: "Night night poomie"
Person B: "But its so close! Don't go to sleep until we finish this sprout"
1) The dude with whom you share a poon in a MMF threesome.
2) A female roomie that while not involved with you, still helps you out with more than the dishes & laundry.
1) I was totally poomies with (insert name) last night after that party and now I can't look him in the eye.
2) My cute poomie took pity on my blue balls last night and sucked me off after dinner.