Green’s Dictionary of Slang

s.o.h.f. n.

[abbr. Often discerned in someone who fails to appreciate the throwing of bread rolls, baiting of minorities etc.]

(UK society) sense of humour failure.

[UK]Barr & York Sloane Ranger Hbk 159: SOHF adj. Sense of humour failure. Someone is not amused by Sloane antics.
HeatherL posting ‘Empty, fill, dunk and spill’ 19 Sept. on ‘March 2002 Birth Club’ on Babycentre.co.uk 🌐 I seem to have been constantly clearing up after her and eventually had a bit of a sohf about it by bathtime.