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When a father needs to take care of his own kids or blended family kids. Regardless of his relationship with the mother. Being parentally responsible for making said child and stepping up to care for child.
Puts child needs first before own needs.
" Baby is sick, deadbeat unemployed or underemployed baby's daddy is playing video games. Time to put the game away and "daddy-up" and take care of baby, so working mommy can still support sick baby you helped make, but don't want to take responsibility for."
by angryChief169 February 28, 2014
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2
To man up and to take initiative and responsibility. Popularized by Ethan Klein of H3H3 Productions.
"I'm in love with Karen, it's time to daddy up and ask her out"

"I have to daddy up and get my exam paper done"
by Chuck M. May 31, 2018
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