The sudden and anxious sense of uncertainty that overcomes a person after eating McDonalds. Is typically a mishmash of dizziness/nausea/regret and worry of explosively shitting oneself.
Approximately 15 minutes after devouring the delicious Big Mac meal and side order of McNuggets, Josh felt a wave of the McFeeling come over him and had to sit down until it passed.
a sexual act that may or may not be popular with trans women, according to Miranda Bellweather in Fucking Trans Women #0 muffing is the sexual act of penetrating one or both of the inguinal canals.