The lyrics posted by Cetti are only the lyrics for the original song, not the Yop spoof.
I'm trying to find them myself, i'll try and answer if i find them.
when i wake up in the morning and im still a sleep i really dont want no toast i want no oj no tea or cereal just a yohgurt drink just for me then it goes the rest like give me yop me mumma
When I wake up in the morning and I'm still asleep
I really donta want no toast
I want no OJ, no tea and no cereal
It be a yoghurt drink I'm wanting first
WOAH
Gimme yop, me moma
ooh, yop, me moma
Gimme yop, me moma when the morning come
Gimme yop, me moma
yop, me moma
yop, for when the morning come