Definition of stiffy in English:

stiffy

Line breaks: stiffy
Pronunciation: /ˈstɪfi
 
/
(also stiffie)

noun (plural stiffies)

vulgar slang
An erection of a man’s penis.

Definition of stiffy in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up