(n.) A condition of the male reproductive organ that causes extreme pain when urinating, orgasming, or becoming erect. Caused by lack of soap on ones genitals for an extended period of time. Most often transmitted from females with infested genitals to males who are too intoxicated to make intelligent decisions. Only one cure is known, Chechnyan Deuche
Ray got his fuck on with that one bitch Reeta last night and is sure to have caught the stiffolis.
This is a combination of a "stiff upper lip" attitude and stifling behaviour towards someone else. Making someone do something without giving them a choice (they are stiffing them of a choice!).
A school assigning pupils to do an extra curricular activity. (YOU KNOW WHO YOU ARE!) The pupil has no choice and has to commit timeoutside school hours to the activity. The school is therefore being stiffling.
A variation of the feeling of accomplishment, whereby the accomplished gets horny upon the accomplishment and gets an intense desire to masturbate and cry (of joy) at the same time.
A: Damn dude why you acting so weird?
B: *crying with a boner* It's cuz I just wrote a piece that won the Pulitzer prize. I feel like such a stiffcomplishment right now!