Shlong licker is someone or something that is on there knees or any other style sucking your dong or someones dong , most likely a mans .
JEROME : Yo steve how you have so much hoes being your schlong licker
Steve: Easy, just have money and a big dong
someone who licks schlong so superbly everyone wants to chop off their dicks and hand it to the schlong licker
girl 1- how many dicks have you sucked?
girl 2- so many i can't count! they call me the schlong licker