Given by Cuevas as equal to semulemulp "rolls" (use on large objects). The first repetition sounds more like semiluumilp.
Also defined as, "rolls on the ground, as a horse does"
Similar to Los Conejos aamilmil "rolls clay into cylinder"
See also:
semilksemilk "wobbles, totters"
semilymilyp "rolls over"
seminneminnp (setminnuumiinnp) "tosses and turns, rolls back and forth"
semineminp "rolls on the ground, like a horse" (Barona and Los Conejos)
temulemulp "rolls" (round object)