A long sagging yam-like breast that is potato like in shape and hangs low. Most often seen on National Geographic, but is seen often in every night club.
"Did you see Sophie's swinging prize yams? Someone get her a contract with National Geographic or a bra!"
by YammyClams November 14, 2009
Get the Yammug. by Patrick Joel July 23, 2007
Get the yammug. A yam yam is a native of the black county that is so intensely brummy that it has likely stunted their mental growth and made them effectively disabled.
Yam Yam: are yam alright cock?
Normal functioning member of society: Yes thankyou, now please stop having sex with my water meter; you're dribbling on the cat.
Normal functioning member of society: Yes thankyou, now please stop having sex with my water meter; you're dribbling on the cat.
by el capitan the dangerman July 28, 2012
Get the Yam Yammug. Really thick people who live on the borders of the great city of Birmingham.
The areas like walsall,west brom and similar shitholes.Most are unemployed or locked up,there is also alot of inbreeding going on.
The areas like walsall,west brom and similar shitholes.Most are unemployed or locked up,there is also alot of inbreeding going on.
by Chris5542 November 5, 2012
Get the yam yamsmug. 
YAM means whatever you want it to
by alecrocks261 March 23, 2010
Get the YAMmug.