abbreviations, often involving rebuses (as in text-messaging), such as sat for Saturday, C U “see you”, l8 “late”

emotive punctuation sequences, such as yes!!!!!!!, Jim??!!??

spellings, such as outta “out of”, wanna “want to”, cee ya “see you”, seemz “seems”

grammatical constructions, such as omitting a verb (he lovely), or breaking a concord rule (me am feeling better)

eye-dialect forms, such as it wuz lotsa lafs, i got enuf

nonce formations, such as running words together (igottanewcar) or abnormal hyphenation (what-a-helluva-mess)

misspellings or lexical substitutions which achieve a fashionable privileged status in a particular group, such as the deliberate spelling of computer as comptuer (originating in an individual error which caught the group's fancy)