To fill a vagina with cum to the point that it is overflowing...at which point you take your finger and even out the amount that will no longer fit. Hence spackling the twat.
by Mr. Jizzy McTesticles June 11, 2006
Get the twat spackle mug.Related Words
twat spackle
• twat
• twat waffle
• Twat Swatter
• twat swat
• twat shot
• twat rocket
• TWAT BLOCK
• twat nugget
• Twat-burger