Definition from Wiktionary, the free dictionary
Short for physiognomy.
phiz (plural phizzes)
- (obsolete, colloquial) The face.
1831 June, “The Lord Advocate on Reform”, Blackwood's Edinburgh Magazine, volume 29, number 181, page 980:
- […] and whatever the feelings which now agitate our secret hearts, — you see we are resolved at least to put on a cheerful phiz, and not to die either of the dumps or the mumps, or any other of the dismals.