(informal) Used generically for a man whose actual name may not be known. / (informal) Used frequently to form an idea personified, as in John Bull, John Barleycorn (see derivations below).

(informal) Visually attractive or interesting such that it lends itself to being photographed and posted on social media (specifically on Instagram); photogenic.

(anatomy) Relating to the vomer bone.

plural of transglutaminase