Well, I thought about it, and I thought and thought some more. So, here's a story with just LOLCATS... in LOLcat.
THAR ONCE WUZ A KITTEH NAMD QUAGMIRE.
HE SAW PRITEE GRL KITTEH NAMD WENDY.
SHE WUZ LIEK, "WUT R LOOKIN' AT?"
"HE REPLID, "NOTHIN! JUS GROS KITTEH WIF HOOJ NOSE!"
SHE WUZ SAD. SHE STARTD 2 CRY. "IM PRITEE KITTEH!"
"IM SRY" HE SED "U ARENT GROS, SRSLY."
SHE SMILD, "IZ K, WANTS 2 GO EAT?"
"K!" HE SED AN TEH 2 KITTEHS WENT 2 EAT LARGE CHEEZBURGERS AT BURGER KING." NOM NOM NOM
DEN THEY PLAYD GUITAR HERO TIL DARK DEN FELL ASLEEP.
TEH END. THX 4 READIN. SRSLY. K THX BAI.