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1.
someone you plan on sexing up, also an incredible sexy person
aww hes my little sex nugget!
by bigsig January 18, 2009
 
2.
when one of the partners accidentaly shits during sexual intercourse (usually during anal).
Dude Suzy had a huge sexnugget last night...it was amazing.
by sexnugget4lyfe June 06, 2007