A person that is talented within a duo but is not as talented when they venture off on their own.
Mark Frost made great television with David Lynch, but without him he is simply a Simonless Garfunkel.
When you are having intercourse with your partner on the beach and you pull out sticking your sock in the sand and quickly re-entering the vagina with a sand paper covered dick
Hey did you seal the deal with your lady friend last night
Yes I gave her the old sandy Garfunkel just to finish her