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2.
When you pop a boner and u tuck it up through your waistband on your pants
When he popped a boner at the wedding he went to the bathroom and pulled off the mantuckit manuever
by JHerbs November 10, 2009
 
1.
When a male tucks his package between his legs and bends over. This technique enhances the drive-by moon by adding an extra surprise between the thighs.
"Dude stick your ass out of the window and man-tuck-it this old bitch."
by Hunter Heft May 04, 2005