a portmanteau combining the words 'mommy' slang for 'mother,' and 'poontang,'(sometimes pronouced 'poodytang') which is slang for 'vagina.' Generally used in the context of MILFs, or making a 'your mom' joke.
Dad: MMM, MMM. That was some sweet, mommytang last night.
Son: For fuck's sakes, Dad, I hope you're talking about mom, not grandma. You know what, either way, what the fuck, dad?
it is a man that cares for you and nurtures you the way an ideal mother would. this man is a common want for ppl with mother issues that wont to be taken care of
Alternativename for any crossover style SUV, typically driven by mommies (and daddies) for "practicality" despite being no bigger than a car while driving worse, getting worse fuel economy, and costing more.
Alternatively, it is also driven people so insecure by their driving they worry about surviving when they hit someone else due to their incompetence.
You buy a mommytank because you like to sit higher.