A Texas Curveball is an uncircumcised dick with foreskin all the way up to the urethra, with a large round head and a thin crooked shaft. So-named due to the penile deformity resembling the curveball arm configuration of MLB pitcher Clayton Kershaw, a Texas native.
Defecate. It's derived from a combination of the curve ball in baseball typically being called the 2 pitch, and the denotation of urination as number 1 and defecation as number 2. Thus, to pitch a curveball means to do a number 2.
Whilst a woman is resting on her back with head upon pillow, she provides the gentleman in question with much-awaited fellatio. He then withdraws from her oral cavity, proceeds in his wind-up, and clamps her mouth shut. The gentleman then ejects his seminal fluid upon her facial aperture. After commensuration of bodily fluid levels is complete, a swift jab to the olfactory organ is necessary to produce the vibrant seams of the aforementioned curveball.
A baseball fan, Tom enjoyed the baseball game so much he decided to bring the game into his bedroom, and delivered a Columbus Curveball upon the face of the slightly overweight transvestite named Sally lying beneath him.