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1.
Stemming from the scottish word shelag (an extremly dope young female and/or farm animal) Shelagged means that you had kinky sex with a hot girl. So if you shelagged someone had you pretty much are the freakin man!
Yo have you tapped that dope chick yet?

Nah but last night I shelagged the shit outta a goat
by dipper jones February 29, 2008