gerrup Share definition Flag Gerrup is a mixture of the two words GET and UP. this is slurred as gerrup as people from Nottinghamshire have the inability to form the T sound. Frigin ell John are you gunna GERRUP today e wot? gerrup by Mafooo February 11, 2008 0 0 Get merch Get the gerrup mug. Buy Now — $32.95 See more merch