The shortened version of calling someone a "Silly Billy." Often used when someone has done something inherently silly or foolish.
by EljackDSnizzle January 20, 2019
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Sill Bill • sillbill party • sillbilly • Sill Chewer • sill the chits • evan sill • Ham Sill • Fort Sill • Lucy sill • scuba sill
by pookieeee December 10, 2007
Get the sillbill party mug.You should bring protection when going camping in some rural areas in the south just in case you encounter a pig-fucking sillbilly
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