When you tell a really shit joke, do a stupid dance, or just be a general twat, then your doing a Simpkin
by Vortex April 3, 2004
Get the Doing a Simpkin mug.
A simpkin is also when a guy tries to pull a girl with a 70s rollerdance and fails miserbaly
George tried a Simpkin, but got him nowhere
by Bling_Master April 5, 2004
Get the Doing a Simpkin mug.