In instant messaging, when a person uses excessive lettering in a word/phrase where the word uses more than the normal amount of letters the word requires(usually showing affection). ex. heyyyyyy theeeerrrre!!!!
ex. of excessive lettering:
girly123:ooooomggggggggg. he's sooooo hotttt.
girlier123:OMGGGG! III KNOOOOOOOOWW. Prrrrestonnn is soo efffffffin smookinn!!!