When you're with a group, everyone whips their giant schlongs out and starts masturbating in very various, and unique ways. Normally stupidly, hence the "derp" part.
Yo brad bruv, let's have a masderpbation
Daniel, I believe it's time for a masderpbation
Everyone in this office should just start masderpbating, it'll make everything better
Daniel, I believe it's time for a masderpbation
Everyone in this office should just start masderpbating, it'll make everything better
by Dolansonpls July 16, 2014