søk opp hvilket som helst ord, som plopping:
 
22.
the doing of sexual intercourse while on the roof of toys r us while giving your partner a texas chili bowl and singing old elvis songs

Cody Houck decided to go on the roof and mcnasty rebel
av Josh Chotta 25. februar 2007
 
23.
when you force feed someone a big mac while raping them
he mcnastyed that trick ass bitch
av Lemony Petaphile 2. juni 2008
 
24.
1. An extremely ugly person who is stupid and annoys everyone around him. He usually asks dumb questions and pretends to have a girlfriend, who is usally ugly or underage.

2. Ugly boy who sleeps with blow up dolls.

3. Another name for Alex or Gomer.
Gomer's last name is McNasty.

Eeeww...McNasty asked Cristi out on a date? What about his girlfriend? I mean, blow up doll.

av Bankruptcy Bitch 6. november 2006
 
25.
a male who smokes pot for a living and transmits the "McNastizzle" disease.
McNasty wants on me, but he wouldn't be able to get it up because he is too stoned.
av Kellaur 23. august 2006
 
26.
1) derived from adding mc onto every word.
2) refers to a boyfriend who has weird habits, crab claws your chest or wont have sex with you even though he has no chance of getting laid.
3) someone who has bad acne and sort of looks like a gremlin because of it
1) The roadkill we just passed is mcnasty.
2) Mcnasty is coming over but we wont DO anything.
3) I got put on this cream because my face was mcnasty.
av Kalaniiii 29. juni 2006
 
27.
Usually a pretty girl, but also tends to be visably crazy. Usually spotted in North Beach; does not F*&@ with roofies as they are real and not a joke.
She is a real live person, that McNasty.
av Miss McNasty 13. juli 2006
 
28.
An extremely rancid, bloated, overweight and unkempt person--especially one who has the odor of decayed feces even after exhaustive bathing.
Scott is such a McNasty I doubt he will get hired after his time is up!
av godde$$ 29. april 2005