two dads 

Anyone with a hyphenated surname.

Examples include Daniel "two dads"Day-Lewis whose father Cecil Day-Lewis once opined "As a writer I do not use the hyphen in my surname – a piece of inverted snobbery which has produced rather mixed results".

two dads by M_Es_is_best October 13, 2015

two dads and a chemistry set 

A witty comeback to "your mom," popularized by a student in Georgia.

"YOUR MOM!"

"At least I have a mom. You've got two dads and a chemistry set!"

(Usually followed by "Ohhh, what now?")

two dads and a chemistry set by ChibiChrissi October 6, 2006