Personalized Mamacita Margarita Youth T-Shirt. Funny Cinco De Mayo Youth T-Shirt - White with pink margarita says Mamacita Needs A Margarita. Perfect for mama, mommy at Mexican fiestas or Mother's Day. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.