When a bisexual guy is having oral sex with another man fast and hard until he cums.
"Those two gingers were scullin last night".

"That guy was scullin pretty hard with his friend last night!"
by ParmJohnny May 11, 2013
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Irish last name of royalty, escaped slavery and prospered in America
Gerald Scullin Jr. is the heir to the thrown
by Tex Jr March 15, 2018
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