when one person sits on a toilet and another person sits on top of them in the opposite direction. the two people then proceed to do their business concurrently.
by rico h March 07, 2009

by Intelligence001 July 05, 2016

a person could get called a spider if there are a fake friend that will bite u basically they will stab u in the back could attack u watch ur back around people like that
spider a animal
by hotman876 October 03, 2017

Syringer: Our web company upgraded everyone's e-mail accounts and there's been nothing but problems...
Response: Spider
Response: Spider
by The girl in the dorm downstairs August 19, 2004

by Larstait November 06, 2003

A term in bar lingo. After ordering a glass of draught beer, if the keg blows before the barkeep can finish pouring the full glass the patron calls, "Spider", and thus receives the not-full beer for free.
by stevie666 July 05, 2008

When you get naked and do a handstand in the doorway to a closed door. When the unsuspecting victim opens the door all he/she sees is a butthole, and some upside down genitalia.
"Look, Scott took off all his close, he's gonna give Dan the spider. Weird his balls are upside down. Man Scott is so funny all of the time."
by Scott R. May 09, 2006
