Where you line up a cannon and fire a cannon ball while a women called trinity, spreads her legs wide open;decimating her and making England lose the world cup.
In football parlance, a screamer of a goal struck from distance with a high degree of power leaving the goalkeeper no chance.
That Jay Rodriguez for Burnley scored a Thunderbastard of a goal past the hapless David De Gea of Man Utd. (Cue mass exodus of Man Utd fans from Old Trafford}
1. A gigantic, flabby, asymetrical, disgusting ass. Resembles a thundercloud due to its shapelessness, constant shifting, and that it strikes terror in the hearts of small children. Has been known to nuetralize erections and make beer taste flat.
2. A fart that echoes for at least 3 seconds.
1. I almost threw up when Isaw that thunderbutt!
2. That thunderbutt was fucking nasty!