The act of sex with a spider. Comes from the word 'spider' and the word 'sex'.
'On the way to the park i stopped to have some spidersex'
by Sam March 12, 2005
Sex that is so good that it causes you to get "caught up" with feelings, emotions, or attachment towards the other individual when originally, you had no intentions of there being any strings attached.
"Man, she was just another chick from the club. Then she put that spider sex on me, and now she's my girl!"
by laila070282 May 15, 2009