Pokémom
Similar to Milf. Derived from the verb to poke, in the context to have sex with and the noun mom, shorthand for mother. Therefore meaning a mom you'd like to poke (have sex with). Also is a pun on the popular cartoon characters known as Pokémon.
A: Dude that chick is HOT!
B: Shut up, That's my mom!!
A: Seriously - You've got a Pokémom
B: Shut up, That's my mom!!
A: Seriously - You've got a Pokémom