oh yesh

an enthusiastic expression of confirmation, addressing a question that could not merely be answered with a simple "yes;" can be extended to "ohhhhh yeshh" or "ohhhhhhhhhhhh yeshhhhh" depending on the extent of enthusiasm

1. Shayna: sleepover at your house??

Lizzy: oh yeshh

2. Me: shnuggle and eat shnackies??

Wifey: ohhhh yeshh!!