On a swing set, where the person goes under the swing and then lifts the swing, typically what moms, dads and babysitters do to toddlers. But i've seen teenagers challanging each other by making there friends give them underducks.
i remember 7 years ago, when i was little my mom gave me an underduck, and In the GIF i attached it shows exactly with an underduck looks like
by username420 December 4, 2020
Get the underduck mug.Related Words
Underdisc
• Underdick
• Underdickleged
• UnderDictionary
• underscore
• Underdig
• underdose
• Underscoring
• underbitch
• underscrote
by Stacey MacLean February 14, 2009
Get the Underdick mug.by underfreek December 11, 2007
Get the underscore mug.by Scooter March 6, 2007
Get the Underscore mug.The act of lifting ones rigt leg, during anal activity, and proceeds to continously pump thier arm under the genetalia into the vagina or anus of thier partner.
Guy 1: dude how was last night with brenda?
Guy 2: great! i was underfisting her all night, she loved it!!!
Guy 1: Sweet!!
Guy 2: great! i was underfisting her all night, she loved it!!!
Guy 1: Sweet!!
by The fun guy. July 11, 2010
Get the Underfisting mug.A Quarterback projecting a Screen Pass towards their appointed Receivers or Running Backs. Some may consider this as a component of the West Coast Offense
Matt Ryan of the Atlanta Falcons is NOT a Flame Throwa, he is a Game Manager, he like to throw Underscore passes because he doesn't have a arm like Rodney Harrison, the Former and Retired Safety for the New England Patriots and now the Co-Host of the Sunday Night Football on NBC's Panel.
by The Heretic Assassin December 1, 2011
Get the Underscore Pass mug.