Seems there are two distinct features in this thread: a play on the teams' nicknames and intentional misspellings of the universities' names.

Nicknames
Alabama - turds, gumps, updykes, t-baggers, tahd
Arkansas - pigs, UPig, porkers, pigfrickers, little piggies
Auburn - barners, boogs
LSU - corndogs, swamp kittens, coonasses
Ole Miss - blackbears, weebles, klan (not used anymore)
Miss State - moo u, grinders, cattle gumps
Texas A&M - faggies, gaggies, Aggots, Aggy

Florida - gaytors, gayturds, jorts, big gay al
Georgia - pups, leghumpers
Kentucky - mildcats, juleps (haven't seen this in a long time)
Missouri - yankees
South Carolina - cocks (and derivatives like cocksuckers)
Tennessee - viles, vomits, clampetts, mountain gumps
Vanderbilt - nerds, commodes

Intentional Misspellings
Alabama - bammer, uat, SPUAT
Arkansas - Rkansas, Arkie
Auburn - awbrin, aubarn, API
LSU - LeSU, LSWHOO
Ole Miss - Ole Myth, Ole Piss
Miss State - Moo St
Texas A&M - eaTme, T-lite, Trans A&M (no one uses anymore)

Florida - Floriduh
Georgia - jawja, ugaly, ugay
Kentucky - Kensucky
Missouri - Mizzou, Misery
South Carolina - USCe, SClite, USCjr, SCAR
Tennessee - UcheaT, 10rc, tinnersea
Vanderbilt - Vandy

Team locations
Alabama - tuscaloser, west vance (not used anymore)
Arkansas - fayettenam
Auburn - West Georgia, shittiest village on the plains, jerks-in-here, jergins hair
LSU - loseranna, weezyanna
Ole Miss - ?
Miss State - starkpatch, starkvegas, the pasture
Texas A&M - ?

Florida - ?
Georgia - jawja
Kentucky - bluegrass
Missouri - ?
South Carolina - cackalacky (or however you spell that lame shite)
Tennessee - knoxvegas, obnoxville
Vanderbilt - ?

That's about all I got or remember seeing/hearing in my time. I'm sure there are others I forgot.